Updating identity column sql server

To apply the SQL code in the script pane, choose the The identity property can be set only for a column that disallows null values and whose data type is decimal, int, numeric, smallint, bigint, or tinyint.

If you are using an identity column on your SQL Server tables, you can set the next insert value to whatever value you want.

We can use this command to do so: Note that the next value will be whatever you reseed with 1, so in this case I set it to 999 so that the next value will be 1000.

We can find the current identity seed by using The table has not changed but we can see from the checkident that the current seed has been changed and we know that this is used to generate the next value.

Note: The next value is the step added to the current seed; not one more than the max value in the table, or even the step from the last or maximum value.

A new version of Table Designer appears for databases in the SQL Server 2012 format.

This topic describes the old version of Table Designer, which you use with databases in earlier formats of SQL Server.

CREATE TABLE [dbo].[tm2] ( [id] [int] NOT NULL, [aid] [int] IDENTITY(1,1) NOT NULL, [txt] [nchar](10) NULL, CONSTRAINT [PK_tm2] PRIMARY KEY CLUSTERED ([id] ASC) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO SET IDENTITY_INSERT [dbo].tm2 ON MERGE INTO [dbo].tm2 AS Target USING (VALUES (1,2,'qdqewqf'), (2,3,'#ED7F00') ) AS Source ([ID], [aid], [txt]) ON (Target.[ID] = Source.[ID]) WHEN MATCHED AND () THEN UPDATE SET aid = Source.aid, txt = WHEN NOT MATCHED BY TARGET THEN INSERT([ID], aid, txt) VALUES(Source.[ID], Source.aid, Source.txt) WHEN NOT MATCHED BY SOURCE THEN DELETE; SET IDENTITY_INSERT [dbo].tm2 OFF USE tempdb; CREATE TABLE dbo.

Last modified 09-Aug-2017 18:53