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CREATE TABLE #mytable (

    [Id] [int] IDENTITY(1,1) NOT NULL,

    [Reqid] [int] NOT NULL,

    [Name] [varchar](150) NULL,

    [IDNo] [char](20) NOT NULL,

    [DOB] [char](10) NULL,

    [Nationality] [char](2) NULL,

    [BasicGroup] [char](3) NULL,

    [CorporateStatus] [char](1) NULL,

    [IndustrialSector] [char](6) NULL,

    [ResidencyStatus] [char](1) NULL,

    [Gender] [char](1) NULL,

    [Income] [char](20) NULL,

    [Occupation] [char](4) NULL,

    [EmpName] [varchar](150) NULL,

    [EmpSec] [char](5) NULL,

    [EmpTyp] [char](3) NULL,

    [Postcode] [char](5) NULL,

    [State] [char](2) NULL,

    [Country] [char](2) NULL,

    [FQ_CRE_TMS] [datetime] NULL

) ON [PRIMARY]



set identity_insert #mytable ON

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14442,170916244,'CUST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO',NULL,NULL,01540,NULL,NULL,'2019-02-28 15:02:33.993');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14487,170916258,'TEST2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,'P',8891126,2171,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:29:56.857');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14489,170916258,'TEST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO','L1000',113,NULL,NULL,NULL,'2019-02-28 21:32:48.247');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14483,170916258,'LALA',100101015698,NULL,NULL,NULL,NULL,'01263',NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:16:42.293');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14440,170916244,'CUSTOMER1_2',100101015698,NULL,NULL,NULL,'M',NULL,'N',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:01:24.713');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14444,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,79660,NULL,NULL,'2019-02-28 15:07:01.790');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14446,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,60000,NULL,NULL,'2019-02-28 15:08:49.650');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14484,170916258,'APPLICANT5_2',100202025698,NULL,NULL,NULL,'M','01261','L','L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:17:24.420');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14485,170916258,'CUST3_6',100202025698,NULL,NULL,NULL,NULL,NULL,'F','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:25:45.800');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14486,170916258,'EHH4_4',260404045698,NULL,NULL,NULL,NULL,'01279','S','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:26:28.967');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14447,170916258,'CUST4_3',260404045698,NULL,NULL,21,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:13:14.670');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14448,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:14:35.380');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14445,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'K1000',NULL,36500,NULL,NULL,'2019-02-28 15:08:24.090');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14443,170916258,'CUTS4_3',260404045698,NULL,NULL,34,NULL,NULL,NULL,NULL,NULL,NULL,'REWQREREW',NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:06:23.213');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14441,170916244,'CUSTOMER2_2',780909096398,NULL,NULL,NULL,NULL,'031XX',NULL,NULL,NULL,NULL,NULL,NULL,NULL,01572,NULL,NULL,'2019-02-28 15:01:57.953');

INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14488,170916258,'TEST2',780909096398,NULL,NULL,NULL,'L',NULL,'E',NULL,NULL,NULL,'YULU',NULL,NULL,01516,NULL,NULL,'2019-02-28 21:31:46.340');

‌

;with #unpivot_step2 as

(

    select reqid, Idno, RowNum, ColName, Vals

    From 

        (

            select    

                    cast(reqid as nvarchar(255)) AS reqid,

                    cast(Name collate database_default as nvarchar(255)) as Name,

                    cast(IDNo collate database_default as nvarchar(255)) as IDNo,

                    cast(DOB collate database_default as nvarchar(255)) as DOB,

                    cast(BasicGroup collate database_default as nvarchar(255)) as BasicGroup,

                    cast(Nationality collate database_default as nvarchar(255)) as Nationality,

                    cast(CorporateStatus collate database_default as nvarchar(255)) as CorporateStatus,

                    cast(IndustrialSector collate database_default as nvarchar(255)) as IndustrialSector,

                    cast(ResidencyStatus collate database_default as nvarchar(255)) as ResidencyStatus,

                    cast(Gender collate database_default as nvarchar(255)) as Gender,

                    cast(Income collate database_default as nvarchar(255)) as Income,

                    cast(Occupation collate database_default as nvarchar(255)) as Occupation,

                    cast(EmpName collate database_default as nvarchar(255)) as EmpName,

                    cast(EmpSec collate database_default as nvarchar(255)) as EmpSec,

                    cast(EmpTyp collate database_default as nvarchar(255)) as EmpTyp,

                    cast(Postcode collate database_default as nvarchar(255)) as Postcode,

                    cast(State collate database_default as nvarchar(255)) as State,

                    cast(Country collate database_default as nvarchar(255)) as Country,

                    row_number() over (partition by idno order by cast(FQ_CRE_TMS as datetime) desc) as RowNum

            from #mytable

        ) unpivot_table

    unpivot

        (

            vals for colname in (Name, DOB, BasicGroup, Nationality, CorporateStatus, 

            IndustrialSector, ResidencyStatus, Gender, Income, Occupation, EmpName, EmpSec,

            EmpTyp, Postcode, State, Country)

        ) unpivot_handle

)

, add_column_name AS

(

    select reqid, IDNo, colname,[2] as [From_Value], [1] as [To_Value]

    FROM 

    (

        select reqid, IDNo, RowNum, colname, vals

        from #unpivot_step2

    ) pivot_table

    pivot

    (

        max (vals) for RowNum in ([1],[2])

    ) pivot_handle

    where [1] <> [2]

)



select distinct p.*, m.Name

into #step1

from add_column_name as p

inner join #mytable as m

on p.reqid = m.Reqid



select * from #mytable order by IDNo

select * from #step1 order by IDNo‌‌‌


This is the result I got after execute the script from above



reqid|IDNo|colname|From_Value|To_Value|Name

170916258|100202025698   |Gender|L|P|APPLICANT5_2

170916258|100202025698   |Gender|L|P|CUST3_6

170916258|100202025698   |Gender|L|P|CUST4_3

170916258|100202025698   |Gender|L|P|CUST5_3

170916258|100202025698   |Gender|L|P|CUTS4_3

170916258|100202025698   |Gender|L|P|EHH4_4

170916258|100202025698   |Gender|L|P|LALA

170916258|100202025698   |Gender|L|P|TEST2

170916258|100202025698   |Gender|L|P|TEST3_2

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|APPLICANT5_2

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST3_6

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST4_3

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST5_3

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUTS4_3

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|EHH4_4

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|LALA

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST2

170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST3_2

170916258|100202025698   |ResidencyStatus|L|F|APPLICANT5_2

170916258|100202025698   |ResidencyStatus|L|F|CUST3_6

170916258|100202025698   |ResidencyStatus|L|F|CUST4_3

170916258|100202025698   |ResidencyStatus|L|F|CUST5_3

170916258|100202025698   |ResidencyStatus|L|F|CUTS4_3

170916258|100202025698   |ResidencyStatus|L|F|EHH4_4

170916258|100202025698   |ResidencyStatus|L|F|LALA

170916258|100202025698   |ResidencyStatus|L|F|TEST2

170916258|100202025698   |ResidencyStatus|L|F|TEST3_2

170916258|260404045698   |Name|CUST4_3|EHH4_4|APPLICANT5_2

170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST3_6

170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST4_3

170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST5_3

170916258|260404045698   |Name|CUST4_3|EHH4_4|CUTS4_3

170916258|260404045698   |Name|CUST4_3|EHH4_4|EHH4_4

170916258|260404045698   |Name|CUST4_3|EHH4_4|LALA

170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST2

170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST3_2

170916258|260404045698   |ResidencyStatus|L|S|APPLICANT5_2

170916258|260404045698   |ResidencyStatus|L|S|CUST3_6

170916258|260404045698   |ResidencyStatus|L|S|CUST4_3

170916258|260404045698   |ResidencyStatus|L|S|CUST5_3

170916258|260404045698   |ResidencyStatus|L|S|CUTS4_3

170916258|260404045698   |ResidencyStatus|L|S|EHH4_4

170916258|260404045698   |ResidencyStatus|L|S|LALA

170916258|260404045698   |ResidencyStatus|L|S|TEST2

170916258|260404045698   |ResidencyStatus|L|S|TEST3_2

170916258|50505050505   |Name|TEST2|TEST3_2|APPLICANT5_2

170916258|50505050505   |Name|TEST2|TEST3_2|CUST3_6

170916258|50505050505   |Name|TEST2|TEST3_2|CUST4_3

170916258|50505050505   |Name|TEST2|TEST3_2|CUST5_3

170916258|50505050505   |Name|TEST2|TEST3_2|CUTS4_3

170916258|50505050505   |Name|TEST2|TEST3_2|EHH4_4

170916258|50505050505   |Name|TEST2|TEST3_2|LALA

170916258|50505050505   |Name|TEST2|TEST3_2|TEST2

170916258|50505050505   |Name|TEST2|TEST3_2|TEST3_2


‌‌



H‌ow can I get as below result?



+-----------+--------------+------------------+--------------+----------+---------+------------+----------+

|   reqid   |     IDNo     |     colname      |  From_Value  | To_Value |  Name   | BasicGroup | Postcode |

+-----------+--------------+------------------+--------------+----------+---------+------------+----------+

| 170916258 | 100202025698 | Gender           | L            | P        | CUST3_6 | NULL       |    60000 |

| 170916258 | 100202025698 | Name             | APPLICANT5_2 | CUST3_6  | CUST3_6 | NULL       |    60000 |

| 170916258 | 100202025698 | ResidencyStatus  | L            | P        | CUST3_6 | NULL       |    60000 |

| 170916258 | 100202025698 | IndustrialSector | 1261         | NULL     | CUST3_6 | NULL       |    60000 |

+-----------+--------------+------------------+--------------+----------+---------+------------+----------+


EDIT: Credit to SQLRaptor for enhance my script on my previous post.



1‌. How to get update NULL Value = 'whitespace' in unpivot/pivot case? the fastest way? I can think of update all column from NULL to 'whitespace' (I dont mind update 1 by 1 if i get desire result)




  1. colname, From_Value, To_Value is based from rowNum = 1 , 2 from #mytable ( want to get any result that got changes)


  2. Name, BasicGroup, Postcode and other column (gender, DOB, income) find the most update that got result. EG: ID=100202025698, postcode only available in rownum=3 in #mytable and I want show it out.



A‌ny idea how to enhance my script?






sql-server sql-server-2012






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    0















    CREATE TABLE #mytable (
    
    [Id] [int] IDENTITY(1,1) NOT NULL,
    
    [Reqid] [int] NOT NULL,
    
    [Name] [varchar](150) NULL,
    
    [IDNo] [char](20) NOT NULL,
    
    [DOB] [char](10) NULL,
    
    [Nationality] [char](2) NULL,
    
    [BasicGroup] [char](3) NULL,
    
    [CorporateStatus] [char](1) NULL,
    
    [IndustrialSector] [char](6) NULL,
    
    [ResidencyStatus] [char](1) NULL,
    
    [Gender] [char](1) NULL,
    
    [Income] [char](20) NULL,
    
    [Occupation] [char](4) NULL,
    
    [EmpName] [varchar](150) NULL,
    
    [EmpSec] [char](5) NULL,
    
    [EmpTyp] [char](3) NULL,
    
    [Postcode] [char](5) NULL,
    
    [State] [char](2) NULL,
    
    [Country] [char](2) NULL,
    
    [FQ_CRE_TMS] [datetime] NULL
    
) ON [PRIMARY]
    

    
set identity_insert #mytable ON
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14442,170916244,'CUST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO',NULL,NULL,01540,NULL,NULL,'2019-02-28 15:02:33.993');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14487,170916258,'TEST2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,'P',8891126,2171,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:29:56.857');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14489,170916258,'TEST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO','L1000',113,NULL,NULL,NULL,'2019-02-28 21:32:48.247');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14483,170916258,'LALA',100101015698,NULL,NULL,NULL,NULL,'01263',NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:16:42.293');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14440,170916244,'CUSTOMER1_2',100101015698,NULL,NULL,NULL,'M',NULL,'N',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:01:24.713');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14444,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,79660,NULL,NULL,'2019-02-28 15:07:01.790');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14446,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,60000,NULL,NULL,'2019-02-28 15:08:49.650');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14484,170916258,'APPLICANT5_2',100202025698,NULL,NULL,NULL,'M','01261','L','L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:17:24.420');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14485,170916258,'CUST3_6',100202025698,NULL,NULL,NULL,NULL,NULL,'F','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:25:45.800');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14486,170916258,'EHH4_4',260404045698,NULL,NULL,NULL,NULL,'01279','S','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:26:28.967');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14447,170916258,'CUST4_3',260404045698,NULL,NULL,21,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:13:14.670');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14448,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:14:35.380');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14445,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'K1000',NULL,36500,NULL,NULL,'2019-02-28 15:08:24.090');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14443,170916258,'CUTS4_3',260404045698,NULL,NULL,34,NULL,NULL,NULL,NULL,NULL,NULL,'REWQREREW',NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:06:23.213');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14441,170916244,'CUSTOMER2_2',780909096398,NULL,NULL,NULL,NULL,'031XX',NULL,NULL,NULL,NULL,NULL,NULL,NULL,01572,NULL,NULL,'2019-02-28 15:01:57.953');
    
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14488,170916258,'TEST2',780909096398,NULL,NULL,NULL,'L',NULL,'E',NULL,NULL,NULL,'YULU',NULL,NULL,01516,NULL,NULL,'2019-02-28 21:31:46.340');
    
‌
    
;with #unpivot_step2 as
    
(
    
    select reqid, Idno, RowNum, ColName, Vals
    
    From 
    
        (
    
            select    
    
                    cast(reqid as nvarchar(255)) AS reqid,
    
                    cast(Name collate database_default as nvarchar(255)) as Name,
    
                    cast(IDNo collate database_default as nvarchar(255)) as IDNo,
    
                    cast(DOB collate database_default as nvarchar(255)) as DOB,
    
                    cast(BasicGroup collate database_default as nvarchar(255)) as BasicGroup,
    
                    cast(Nationality collate database_default as nvarchar(255)) as Nationality,
    
                    cast(CorporateStatus collate database_default as nvarchar(255)) as CorporateStatus,
    
                    cast(IndustrialSector collate database_default as nvarchar(255)) as IndustrialSector,
    
                    cast(ResidencyStatus collate database_default as nvarchar(255)) as ResidencyStatus,
    
                    cast(Gender collate database_default as nvarchar(255)) as Gender,
    
                    cast(Income collate database_default as nvarchar(255)) as Income,
    
                    cast(Occupation collate database_default as nvarchar(255)) as Occupation,
    
                    cast(EmpName collate database_default as nvarchar(255)) as EmpName,
    
                    cast(EmpSec collate database_default as nvarchar(255)) as EmpSec,
    
                    cast(EmpTyp collate database_default as nvarchar(255)) as EmpTyp,
    
                    cast(Postcode collate database_default as nvarchar(255)) as Postcode,
    
                    cast(State collate database_default as nvarchar(255)) as State,
    
                    cast(Country collate database_default as nvarchar(255)) as Country,
    
                    row_number() over (partition by idno order by cast(FQ_CRE_TMS as datetime) desc) as RowNum
    
            from #mytable
    
        ) unpivot_table
    
    unpivot
    
        (
    
            vals for colname in (Name, DOB, BasicGroup, Nationality, CorporateStatus, 
    
            IndustrialSector, ResidencyStatus, Gender, Income, Occupation, EmpName, EmpSec,
    
            EmpTyp, Postcode, State, Country)
    
        ) unpivot_handle
    
)
    
, add_column_name AS
    
(
    
    select reqid, IDNo, colname,[2] as [From_Value], [1] as [To_Value]
    
    FROM 
    
    (
    
        select reqid, IDNo, RowNum, colname, vals
    
        from #unpivot_step2
    
    ) pivot_table
    
    pivot
    
    (
    
        max (vals) for RowNum in ([1],[2])
    
    ) pivot_handle
    
    where [1] <> [2]
    
)
    

    
select distinct p.*, m.Name
    
into #step1
    
from add_column_name as p
    
inner join #mytable as m
    
on p.reqid = m.Reqid
    

    
select * from #mytable order by IDNo
    
select * from #step1 order by IDNo‌‌‌


    This is the result I got after execute the script from above



    reqid|IDNo|colname|From_Value|To_Value|Name
    
170916258|100202025698   |Gender|L|P|APPLICANT5_2
    
170916258|100202025698   |Gender|L|P|CUST3_6
    
170916258|100202025698   |Gender|L|P|CUST4_3
    
170916258|100202025698   |Gender|L|P|CUST5_3
    
170916258|100202025698   |Gender|L|P|CUTS4_3
    
170916258|100202025698   |Gender|L|P|EHH4_4
    
170916258|100202025698   |Gender|L|P|LALA
    
170916258|100202025698   |Gender|L|P|TEST2
    
170916258|100202025698   |Gender|L|P|TEST3_2
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|APPLICANT5_2
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST3_6
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST4_3
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST5_3
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUTS4_3
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|EHH4_4
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|LALA
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST2
    
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST3_2
    
170916258|100202025698   |ResidencyStatus|L|F|APPLICANT5_2
    
170916258|100202025698   |ResidencyStatus|L|F|CUST3_6
    
170916258|100202025698   |ResidencyStatus|L|F|CUST4_3
    
170916258|100202025698   |ResidencyStatus|L|F|CUST5_3
    
170916258|100202025698   |ResidencyStatus|L|F|CUTS4_3
    
170916258|100202025698   |ResidencyStatus|L|F|EHH4_4
    
170916258|100202025698   |ResidencyStatus|L|F|LALA
    
170916258|100202025698   |ResidencyStatus|L|F|TEST2
    
170916258|100202025698   |ResidencyStatus|L|F|TEST3_2
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|APPLICANT5_2
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST3_6
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST4_3
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST5_3
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUTS4_3
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|EHH4_4
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|LALA
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST2
    
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST3_2
    
170916258|260404045698   |ResidencyStatus|L|S|APPLICANT5_2
    
170916258|260404045698   |ResidencyStatus|L|S|CUST3_6
    
170916258|260404045698   |ResidencyStatus|L|S|CUST4_3
    
170916258|260404045698   |ResidencyStatus|L|S|CUST5_3
    
170916258|260404045698   |ResidencyStatus|L|S|CUTS4_3
    
170916258|260404045698   |ResidencyStatus|L|S|EHH4_4
    
170916258|260404045698   |ResidencyStatus|L|S|LALA
    
170916258|260404045698   |ResidencyStatus|L|S|TEST2
    
170916258|260404045698   |ResidencyStatus|L|S|TEST3_2
    
170916258|50505050505   |Name|TEST2|TEST3_2|APPLICANT5_2
    
170916258|50505050505   |Name|TEST2|TEST3_2|CUST3_6
    
170916258|50505050505   |Name|TEST2|TEST3_2|CUST4_3
    
170916258|50505050505   |Name|TEST2|TEST3_2|CUST5_3
    
170916258|50505050505   |Name|TEST2|TEST3_2|CUTS4_3
    
170916258|50505050505   |Name|TEST2|TEST3_2|EHH4_4
    
170916258|50505050505   |Name|TEST2|TEST3_2|LALA
    
170916258|50505050505   |Name|TEST2|TEST3_2|TEST2
    
170916258|50505050505   |Name|TEST2|TEST3_2|TEST3_2


    ‌‌



    H‌ow can I get as below result?



    +-----------+--------------+------------------+--------------+----------+---------+------------+----------+
    
|   reqid   |     IDNo     |     colname      |  From_Value  | To_Value |  Name   | BasicGroup | Postcode |
    
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+
    
| 170916258 | 100202025698 | Gender           | L            | P        | CUST3_6 | NULL       |    60000 |
    
| 170916258 | 100202025698 | Name             | APPLICANT5_2 | CUST3_6  | CUST3_6 | NULL       |    60000 |
    
| 170916258 | 100202025698 | ResidencyStatus  | L            | P        | CUST3_6 | NULL       |    60000 |
    
| 170916258 | 100202025698 | IndustrialSector | 1261         | NULL     | CUST3_6 | NULL       |    60000 |
    
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+


    EDIT: Credit to SQLRaptor for enhance my script on my previous post.



    1‌. How to get update NULL Value = 'whitespace' in unpivot/pivot case? the fastest way? I can think of update all column from NULL to 'whitespace' (I dont mind update 1 by 1 if i get desire result)




    1. colname, From_Value, To_Value is based from rowNum = 1 , 2 from #mytable ( want to get any result that got changes)


    2. Name, BasicGroup, Postcode and other column (gender, DOB, income) find the most update that got result. EG: ID=100202025698, postcode only available in rownum=3 in #mytable and I want show it out.



    A‌ny idea how to enhance my script?






    sql-server sql-server-2012






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      CREATE TABLE #mytable (
      
    [Id] [int] IDENTITY(1,1) NOT NULL,
      
    [Reqid] [int] NOT NULL,
      
    [Name] [varchar](150) NULL,
      
    [IDNo] [char](20) NOT NULL,
      
    [DOB] [char](10) NULL,
      
    [Nationality] [char](2) NULL,
      
    [BasicGroup] [char](3) NULL,
      
    [CorporateStatus] [char](1) NULL,
      
    [IndustrialSector] [char](6) NULL,
      
    [ResidencyStatus] [char](1) NULL,
      
    [Gender] [char](1) NULL,
      
    [Income] [char](20) NULL,
      
    [Occupation] [char](4) NULL,
      
    [EmpName] [varchar](150) NULL,
      
    [EmpSec] [char](5) NULL,
      
    [EmpTyp] [char](3) NULL,
      
    [Postcode] [char](5) NULL,
      
    [State] [char](2) NULL,
      
    [Country] [char](2) NULL,
      
    [FQ_CRE_TMS] [datetime] NULL
      
) ON [PRIMARY]
      

      
set identity_insert #mytable ON
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14442,170916244,'CUST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO',NULL,NULL,01540,NULL,NULL,'2019-02-28 15:02:33.993');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14487,170916258,'TEST2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,'P',8891126,2171,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:29:56.857');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14489,170916258,'TEST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO','L1000',113,NULL,NULL,NULL,'2019-02-28 21:32:48.247');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14483,170916258,'LALA',100101015698,NULL,NULL,NULL,NULL,'01263',NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:16:42.293');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14440,170916244,'CUSTOMER1_2',100101015698,NULL,NULL,NULL,'M',NULL,'N',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:01:24.713');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14444,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,79660,NULL,NULL,'2019-02-28 15:07:01.790');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14446,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,60000,NULL,NULL,'2019-02-28 15:08:49.650');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14484,170916258,'APPLICANT5_2',100202025698,NULL,NULL,NULL,'M','01261','L','L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:17:24.420');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14485,170916258,'CUST3_6',100202025698,NULL,NULL,NULL,NULL,NULL,'F','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:25:45.800');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14486,170916258,'EHH4_4',260404045698,NULL,NULL,NULL,NULL,'01279','S','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:26:28.967');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14447,170916258,'CUST4_3',260404045698,NULL,NULL,21,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:13:14.670');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14448,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:14:35.380');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14445,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'K1000',NULL,36500,NULL,NULL,'2019-02-28 15:08:24.090');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14443,170916258,'CUTS4_3',260404045698,NULL,NULL,34,NULL,NULL,NULL,NULL,NULL,NULL,'REWQREREW',NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:06:23.213');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14441,170916244,'CUSTOMER2_2',780909096398,NULL,NULL,NULL,NULL,'031XX',NULL,NULL,NULL,NULL,NULL,NULL,NULL,01572,NULL,NULL,'2019-02-28 15:01:57.953');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14488,170916258,'TEST2',780909096398,NULL,NULL,NULL,'L',NULL,'E',NULL,NULL,NULL,'YULU',NULL,NULL,01516,NULL,NULL,'2019-02-28 21:31:46.340');
      
‌
      
;with #unpivot_step2 as
      
(
      
    select reqid, Idno, RowNum, ColName, Vals
      
    From 
      
        (
      
            select    
      
                    cast(reqid as nvarchar(255)) AS reqid,
      
                    cast(Name collate database_default as nvarchar(255)) as Name,
      
                    cast(IDNo collate database_default as nvarchar(255)) as IDNo,
      
                    cast(DOB collate database_default as nvarchar(255)) as DOB,
      
                    cast(BasicGroup collate database_default as nvarchar(255)) as BasicGroup,
      
                    cast(Nationality collate database_default as nvarchar(255)) as Nationality,
      
                    cast(CorporateStatus collate database_default as nvarchar(255)) as CorporateStatus,
      
                    cast(IndustrialSector collate database_default as nvarchar(255)) as IndustrialSector,
      
                    cast(ResidencyStatus collate database_default as nvarchar(255)) as ResidencyStatus,
      
                    cast(Gender collate database_default as nvarchar(255)) as Gender,
      
                    cast(Income collate database_default as nvarchar(255)) as Income,
      
                    cast(Occupation collate database_default as nvarchar(255)) as Occupation,
      
                    cast(EmpName collate database_default as nvarchar(255)) as EmpName,
      
                    cast(EmpSec collate database_default as nvarchar(255)) as EmpSec,
      
                    cast(EmpTyp collate database_default as nvarchar(255)) as EmpTyp,
      
                    cast(Postcode collate database_default as nvarchar(255)) as Postcode,
      
                    cast(State collate database_default as nvarchar(255)) as State,
      
                    cast(Country collate database_default as nvarchar(255)) as Country,
      
                    row_number() over (partition by idno order by cast(FQ_CRE_TMS as datetime) desc) as RowNum
      
            from #mytable
      
        ) unpivot_table
      
    unpivot
      
        (
      
            vals for colname in (Name, DOB, BasicGroup, Nationality, CorporateStatus, 
      
            IndustrialSector, ResidencyStatus, Gender, Income, Occupation, EmpName, EmpSec,
      
            EmpTyp, Postcode, State, Country)
      
        ) unpivot_handle
      
)
      
, add_column_name AS
      
(
      
    select reqid, IDNo, colname,[2] as [From_Value], [1] as [To_Value]
      
    FROM 
      
    (
      
        select reqid, IDNo, RowNum, colname, vals
      
        from #unpivot_step2
      
    ) pivot_table
      
    pivot
      
    (
      
        max (vals) for RowNum in ([1],[2])
      
    ) pivot_handle
      
    where [1] <> [2]
      
)
      

      
select distinct p.*, m.Name
      
into #step1
      
from add_column_name as p
      
inner join #mytable as m
      
on p.reqid = m.Reqid
      

      
select * from #mytable order by IDNo
      
select * from #step1 order by IDNo‌‌‌


      This is the result I got after execute the script from above



      reqid|IDNo|colname|From_Value|To_Value|Name
      
170916258|100202025698   |Gender|L|P|APPLICANT5_2
      
170916258|100202025698   |Gender|L|P|CUST3_6
      
170916258|100202025698   |Gender|L|P|CUST4_3
      
170916258|100202025698   |Gender|L|P|CUST5_3
      
170916258|100202025698   |Gender|L|P|CUTS4_3
      
170916258|100202025698   |Gender|L|P|EHH4_4
      
170916258|100202025698   |Gender|L|P|LALA
      
170916258|100202025698   |Gender|L|P|TEST2
      
170916258|100202025698   |Gender|L|P|TEST3_2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|APPLICANT5_2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST3_6
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST4_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST5_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUTS4_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|EHH4_4
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|LALA
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST3_2
      
170916258|100202025698   |ResidencyStatus|L|F|APPLICANT5_2
      
170916258|100202025698   |ResidencyStatus|L|F|CUST3_6
      
170916258|100202025698   |ResidencyStatus|L|F|CUST4_3
      
170916258|100202025698   |ResidencyStatus|L|F|CUST5_3
      
170916258|100202025698   |ResidencyStatus|L|F|CUTS4_3
      
170916258|100202025698   |ResidencyStatus|L|F|EHH4_4
      
170916258|100202025698   |ResidencyStatus|L|F|LALA
      
170916258|100202025698   |ResidencyStatus|L|F|TEST2
      
170916258|100202025698   |ResidencyStatus|L|F|TEST3_2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|APPLICANT5_2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST3_6
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST4_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST5_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUTS4_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|EHH4_4
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|LALA
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST3_2
      
170916258|260404045698   |ResidencyStatus|L|S|APPLICANT5_2
      
170916258|260404045698   |ResidencyStatus|L|S|CUST3_6
      
170916258|260404045698   |ResidencyStatus|L|S|CUST4_3
      
170916258|260404045698   |ResidencyStatus|L|S|CUST5_3
      
170916258|260404045698   |ResidencyStatus|L|S|CUTS4_3
      
170916258|260404045698   |ResidencyStatus|L|S|EHH4_4
      
170916258|260404045698   |ResidencyStatus|L|S|LALA
      
170916258|260404045698   |ResidencyStatus|L|S|TEST2
      
170916258|260404045698   |ResidencyStatus|L|S|TEST3_2
      
170916258|50505050505   |Name|TEST2|TEST3_2|APPLICANT5_2
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST3_6
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST4_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST5_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUTS4_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|EHH4_4
      
170916258|50505050505   |Name|TEST2|TEST3_2|LALA
      
170916258|50505050505   |Name|TEST2|TEST3_2|TEST2
      
170916258|50505050505   |Name|TEST2|TEST3_2|TEST3_2


      ‌‌



      H‌ow can I get as below result?



      +-----------+--------------+------------------+--------------+----------+---------+------------+----------+
      
|   reqid   |     IDNo     |     colname      |  From_Value  | To_Value |  Name   | BasicGroup | Postcode |
      
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+
      
| 170916258 | 100202025698 | Gender           | L            | P        | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | Name             | APPLICANT5_2 | CUST3_6  | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | ResidencyStatus  | L            | P        | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | IndustrialSector | 1261         | NULL     | CUST3_6 | NULL       |    60000 |
      
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+


      EDIT: Credit to SQLRaptor for enhance my script on my previous post.



      1‌. How to get update NULL Value = 'whitespace' in unpivot/pivot case? the fastest way? I can think of update all column from NULL to 'whitespace' (I dont mind update 1 by 1 if i get desire result)




      1. colname, From_Value, To_Value is based from rowNum = 1 , 2 from #mytable ( want to get any result that got changes)


      2. Name, BasicGroup, Postcode and other column (gender, DOB, income) find the most update that got result. EG: ID=100202025698, postcode only available in rownum=3 in #mytable and I want show it out.



      A‌ny idea how to enhance my script?






      sql-server sql-server-2012






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      CREATE TABLE #mytable (
      
    [Id] [int] IDENTITY(1,1) NOT NULL,
      
    [Reqid] [int] NOT NULL,
      
    [Name] [varchar](150) NULL,
      
    [IDNo] [char](20) NOT NULL,
      
    [DOB] [char](10) NULL,
      
    [Nationality] [char](2) NULL,
      
    [BasicGroup] [char](3) NULL,
      
    [CorporateStatus] [char](1) NULL,
      
    [IndustrialSector] [char](6) NULL,
      
    [ResidencyStatus] [char](1) NULL,
      
    [Gender] [char](1) NULL,
      
    [Income] [char](20) NULL,
      
    [Occupation] [char](4) NULL,
      
    [EmpName] [varchar](150) NULL,
      
    [EmpSec] [char](5) NULL,
      
    [EmpTyp] [char](3) NULL,
      
    [Postcode] [char](5) NULL,
      
    [State] [char](2) NULL,
      
    [Country] [char](2) NULL,
      
    [FQ_CRE_TMS] [datetime] NULL
      
) ON [PRIMARY]
      

      
set identity_insert #mytable ON
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14442,170916244,'CUST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO',NULL,NULL,01540,NULL,NULL,'2019-02-28 15:02:33.993');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14487,170916258,'TEST2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,'P',8891126,2171,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:29:56.857');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14489,170916258,'TEST3_2',050505050505,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'YOLO','L1000',113,NULL,NULL,NULL,'2019-02-28 21:32:48.247');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14483,170916258,'LALA',100101015698,NULL,NULL,NULL,NULL,'01263',NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:16:42.293');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14440,170916244,'CUSTOMER1_2',100101015698,NULL,NULL,NULL,'M',NULL,'N',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:01:24.713');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14444,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,79660,NULL,NULL,'2019-02-28 15:07:01.790');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14446,170916258,'CUST5_3',100202025698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,60000,NULL,NULL,'2019-02-28 15:08:49.650');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14484,170916258,'APPLICANT5_2',100202025698,NULL,NULL,NULL,'M','01261','L','L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:17:24.420');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14485,170916258,'CUST3_6',100202025698,NULL,NULL,NULL,NULL,NULL,'F','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:25:45.800');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14486,170916258,'EHH4_4',260404045698,NULL,NULL,NULL,NULL,'01279','S','P',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 21:26:28.967');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14447,170916258,'CUST4_3',260404045698,NULL,NULL,21,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:13:14.670');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14448,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,'L',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:14:35.380');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14445,170916258,'CUST4_3',260404045698,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'K1000',NULL,36500,NULL,NULL,'2019-02-28 15:08:24.090');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14443,170916258,'CUTS4_3',260404045698,NULL,NULL,34,NULL,NULL,NULL,NULL,NULL,NULL,'REWQREREW',NULL,NULL,NULL,NULL,NULL,'2019-02-28 15:06:23.213');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14441,170916244,'CUSTOMER2_2',780909096398,NULL,NULL,NULL,NULL,'031XX',NULL,NULL,NULL,NULL,NULL,NULL,NULL,01572,NULL,NULL,'2019-02-28 15:01:57.953');
      
INSERT INTO #mytable(Id,Reqid,Name,IDNo,DOB,Nationality,BasicGroup,CorporateStatus,IndustrialSector,ResidencyStatus,Gender,Income,Occupation,EmpName,EmpSec,EmpTyp,Postcode,State,Country,FQ_CRE_TMS) VALUES (14488,170916258,'TEST2',780909096398,NULL,NULL,NULL,'L',NULL,'E',NULL,NULL,NULL,'YULU',NULL,NULL,01516,NULL,NULL,'2019-02-28 21:31:46.340');
      
‌
      
;with #unpivot_step2 as
      
(
      
    select reqid, Idno, RowNum, ColName, Vals
      
    From 
      
        (
      
            select    
      
                    cast(reqid as nvarchar(255)) AS reqid,
      
                    cast(Name collate database_default as nvarchar(255)) as Name,
      
                    cast(IDNo collate database_default as nvarchar(255)) as IDNo,
      
                    cast(DOB collate database_default as nvarchar(255)) as DOB,
      
                    cast(BasicGroup collate database_default as nvarchar(255)) as BasicGroup,
      
                    cast(Nationality collate database_default as nvarchar(255)) as Nationality,
      
                    cast(CorporateStatus collate database_default as nvarchar(255)) as CorporateStatus,
      
                    cast(IndustrialSector collate database_default as nvarchar(255)) as IndustrialSector,
      
                    cast(ResidencyStatus collate database_default as nvarchar(255)) as ResidencyStatus,
      
                    cast(Gender collate database_default as nvarchar(255)) as Gender,
      
                    cast(Income collate database_default as nvarchar(255)) as Income,
      
                    cast(Occupation collate database_default as nvarchar(255)) as Occupation,
      
                    cast(EmpName collate database_default as nvarchar(255)) as EmpName,
      
                    cast(EmpSec collate database_default as nvarchar(255)) as EmpSec,
      
                    cast(EmpTyp collate database_default as nvarchar(255)) as EmpTyp,
      
                    cast(Postcode collate database_default as nvarchar(255)) as Postcode,
      
                    cast(State collate database_default as nvarchar(255)) as State,
      
                    cast(Country collate database_default as nvarchar(255)) as Country,
      
                    row_number() over (partition by idno order by cast(FQ_CRE_TMS as datetime) desc) as RowNum
      
            from #mytable
      
        ) unpivot_table
      
    unpivot
      
        (
      
            vals for colname in (Name, DOB, BasicGroup, Nationality, CorporateStatus, 
      
            IndustrialSector, ResidencyStatus, Gender, Income, Occupation, EmpName, EmpSec,
      
            EmpTyp, Postcode, State, Country)
      
        ) unpivot_handle
      
)
      
, add_column_name AS
      
(
      
    select reqid, IDNo, colname,[2] as [From_Value], [1] as [To_Value]
      
    FROM 
      
    (
      
        select reqid, IDNo, RowNum, colname, vals
      
        from #unpivot_step2
      
    ) pivot_table
      
    pivot
      
    (
      
        max (vals) for RowNum in ([1],[2])
      
    ) pivot_handle
      
    where [1] <> [2]
      
)
      

      
select distinct p.*, m.Name
      
into #step1
      
from add_column_name as p
      
inner join #mytable as m
      
on p.reqid = m.Reqid
      

      
select * from #mytable order by IDNo
      
select * from #step1 order by IDNo‌‌‌


      This is the result I got after execute the script from above



      reqid|IDNo|colname|From_Value|To_Value|Name
      
170916258|100202025698   |Gender|L|P|APPLICANT5_2
      
170916258|100202025698   |Gender|L|P|CUST3_6
      
170916258|100202025698   |Gender|L|P|CUST4_3
      
170916258|100202025698   |Gender|L|P|CUST5_3
      
170916258|100202025698   |Gender|L|P|CUTS4_3
      
170916258|100202025698   |Gender|L|P|EHH4_4
      
170916258|100202025698   |Gender|L|P|LALA
      
170916258|100202025698   |Gender|L|P|TEST2
      
170916258|100202025698   |Gender|L|P|TEST3_2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|APPLICANT5_2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST3_6
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST4_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUST5_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|CUTS4_3
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|EHH4_4
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|LALA
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST2
      
170916258|100202025698   |Name|APPLICANT5_2|CUST3_6|TEST3_2
      
170916258|100202025698   |ResidencyStatus|L|F|APPLICANT5_2
      
170916258|100202025698   |ResidencyStatus|L|F|CUST3_6
      
170916258|100202025698   |ResidencyStatus|L|F|CUST4_3
      
170916258|100202025698   |ResidencyStatus|L|F|CUST5_3
      
170916258|100202025698   |ResidencyStatus|L|F|CUTS4_3
      
170916258|100202025698   |ResidencyStatus|L|F|EHH4_4
      
170916258|100202025698   |ResidencyStatus|L|F|LALA
      
170916258|100202025698   |ResidencyStatus|L|F|TEST2
      
170916258|100202025698   |ResidencyStatus|L|F|TEST3_2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|APPLICANT5_2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST3_6
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST4_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUST5_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|CUTS4_3
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|EHH4_4
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|LALA
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST2
      
170916258|260404045698   |Name|CUST4_3|EHH4_4|TEST3_2
      
170916258|260404045698   |ResidencyStatus|L|S|APPLICANT5_2
      
170916258|260404045698   |ResidencyStatus|L|S|CUST3_6
      
170916258|260404045698   |ResidencyStatus|L|S|CUST4_3
      
170916258|260404045698   |ResidencyStatus|L|S|CUST5_3
      
170916258|260404045698   |ResidencyStatus|L|S|CUTS4_3
      
170916258|260404045698   |ResidencyStatus|L|S|EHH4_4
      
170916258|260404045698   |ResidencyStatus|L|S|LALA
      
170916258|260404045698   |ResidencyStatus|L|S|TEST2
      
170916258|260404045698   |ResidencyStatus|L|S|TEST3_2
      
170916258|50505050505   |Name|TEST2|TEST3_2|APPLICANT5_2
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST3_6
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST4_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUST5_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|CUTS4_3
      
170916258|50505050505   |Name|TEST2|TEST3_2|EHH4_4
      
170916258|50505050505   |Name|TEST2|TEST3_2|LALA
      
170916258|50505050505   |Name|TEST2|TEST3_2|TEST2
      
170916258|50505050505   |Name|TEST2|TEST3_2|TEST3_2


      ‌‌



      H‌ow can I get as below result?



      +-----------+--------------+------------------+--------------+----------+---------+------------+----------+
      
|   reqid   |     IDNo     |     colname      |  From_Value  | To_Value |  Name   | BasicGroup | Postcode |
      
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+
      
| 170916258 | 100202025698 | Gender           | L            | P        | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | Name             | APPLICANT5_2 | CUST3_6  | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | ResidencyStatus  | L            | P        | CUST3_6 | NULL       |    60000 |
      
| 170916258 | 100202025698 | IndustrialSector | 1261         | NULL     | CUST3_6 | NULL       |    60000 |
      
+-----------+--------------+------------------+--------------+----------+---------+------------+----------+


      EDIT: Credit to SQLRaptor for enhance my script on my previous post.



      1‌. How to get update NULL Value = 'whitespace' in unpivot/pivot case? the fastest way? I can think of update all column from NULL to 'whitespace' (I dont mind update 1 by 1 if i get desire result)




      1. colname, From_Value, To_Value is based from rowNum = 1 , 2 from #mytable ( want to get any result that got changes)


      2. Name, BasicGroup, Postcode and other column (gender, DOB, income) find the most update that got result. EG: ID=100202025698, postcode only available in rownum=3 in #mytable and I want show it out.



      A‌ny idea how to enhance my script?






      sql-server sql-server-2012




      sql-server sql-server-2012





      share







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      user3542587 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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