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Key_ID (Transact-SQL)

Returns the ID of a symmetric key in the current database.

Applies to: SQL Server (SQL Server 2008 through current version).

Topic link icon Transact-SQL Syntax Conventions

Key_ID ( 'Key_Name' )

' Key_Name '

The name of a symmetric key in the database.

The name of a temporary key must start with a number sign (#).

Because temporary keys are only available in the session in which they are created, no permissions are required to access them. To access a key that is not temporary, the caller needs some permission on the key and must not have been denied VIEW permission on the key.

A. Returning the ID of a symmetric key

The following example returns the ID of a key called ABerglundKey1.

SELECT KEY_ID('ABerglundKey1');

B. Returning the ID of a temporary symmetric key

The following example returns the ID of a temporary symmetric key. Note that # is prepended to the key name.

SELECT KEY_ID('#ABerglundKey2');
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