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SQL Anywhere 10.0.1 » SQL Anywhere Server - SQL Usage » Other SQL Dialects » Configuring databases for Transact-SQL compatibility » The special IDENTITY column

The special IDENTITY column Next Page

Retrieving IDENTITY column values with @@identity


The first time you insert a row into the table, an IDENTITY column has a value of 1 assigned to it. On each subsequent insert, the value of the column increases by one. The value most recently inserted into an identity column is available in the @@identity global variable.

The value of @@identity changes each time a statement attempts to insert a row into a table.

This change is permanent. @@identity does not revert to its previous value if the statement fails or if the transaction that contains it is rolled back.

For more information on the behavior of @@identity, see @@identity global variable.