Script to replace All Existing Clustered Primary Keys to Columnstore indexes Announcing the...
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Script to replace All Existing Clustered Primary Keys to Columnstore indexes
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Why is Clustered Index on Primary Key compulsory?Clustered columnstore indexes and foreign keysSimple query is slow on 4M-rows tableChange clustered index without dropping the primary keydeteriorating stored procedure running timesDrawbacks to add clustered keysNon-Unique Clustered Indexes AdministrationClustered Primary Key that is never used vs. Non-Clustered Primary Key on Multiple ColumnsClustered vs Non Clustered Indexes for a Primary KeyClustered Sequential GUID Primary Key vs Non-Clustered GUID and Clustered Sequential ID Primary Keys
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Does anyone have a script to replace all existing All Existing Clustered Primary Keys to Clustered Columnstore indexes in a table? We have 500 plus tables in a database.
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL,
CONSTRAINT [pk_PurchaseId] PRIMARY KEY CLUSTERED ([PurchaseId] ASC)
);
Expected:
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL
);
CREATE CLUSTERED COLUMNSTORE INDEX clx_Purchase ON dbo.Purchase;
CREATE UNIQUE INDEX uq_PurchaseIdId ON dbo.Purchase(PurchaseId);
we don't have foreign keys.
sql-server performance sql-server-2017 columnstore
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Does anyone have a script to replace all existing All Existing Clustered Primary Keys to Clustered Columnstore indexes in a table? We have 500 plus tables in a database.
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL,
CONSTRAINT [pk_PurchaseId] PRIMARY KEY CLUSTERED ([PurchaseId] ASC)
);
Expected:
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL
);
CREATE CLUSTERED COLUMNSTORE INDEX clx_Purchase ON dbo.Purchase;
CREATE UNIQUE INDEX uq_PurchaseIdId ON dbo.Purchase(PurchaseId);
we don't have foreign keys.
sql-server performance sql-server-2017 columnstore
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Does anyone have a script to replace all existing All Existing Clustered Primary Keys to Clustered Columnstore indexes in a table? We have 500 plus tables in a database.
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL,
CONSTRAINT [pk_PurchaseId] PRIMARY KEY CLUSTERED ([PurchaseId] ASC)
);
Expected:
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL
);
CREATE CLUSTERED COLUMNSTORE INDEX clx_Purchase ON dbo.Purchase;
CREATE UNIQUE INDEX uq_PurchaseIdId ON dbo.Purchase(PurchaseId);
we don't have foreign keys.
sql-server performance sql-server-2017 columnstore
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Does anyone have a script to replace all existing All Existing Clustered Primary Keys to Clustered Columnstore indexes in a table? We have 500 plus tables in a database.
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL,
CONSTRAINT [pk_PurchaseId] PRIMARY KEY CLUSTERED ([PurchaseId] ASC)
);
Expected:
CREATE TABLE [dbo].[Purchase]
(
[PurchaseId] INT IDENTITY (1, 1) NOT NULL,
[ClientId] INT NOT NULL,
[SellerId] INT NOT NULL,
[PurchaseDatetime] DATETIME NULL,
[TotalAmount] DECIMAL (28, 2) NULL,
[CreateDate] DATETIME NULL
);
CREATE CLUSTERED COLUMNSTORE INDEX clx_Purchase ON dbo.Purchase;
CREATE UNIQUE INDEX uq_PurchaseIdId ON dbo.Purchase(PurchaseId);
we don't have foreign keys.
sql-server performance sql-server-2017 columnstore
sql-server performance sql-server-2017 columnstore
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
TomBookTomBook
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
TomBookTomBook
1
asked 1 min ago
TomBookTomBook
1
1
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
TomBook is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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