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I have inserted records into a SQL Server database table. The table had a primary key defined and the auto increment identity seed is set to “Yes”. This is done primarily because in SQL Azure, each table has to have a primary key and identity defined.

But since I have to delete some records from the table, the identity seed for those tables will be disturbed and the index column (which is auto-generated with an increment of 1) will get disturbed.

How can I reset the identity column after I deleted the records so that the column has sequence in ascending numerical order?

The identity column is not used as a foreign key anywhere in database.

Question author Romil-n | Source

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The DBCC CHECKIDENT management command is used to reset identity counter. Example:

DBCC CHECKIDENT ('[TestTable]', RESEED, 0);
GO

It was not supported in a previous versions of Azure SQL Database, but is supported now.

Answer author Petr-abdulin