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DB_ID function [System]

Returns the database ID number.

DB_ID( [ database-name ] )

database-name    A string containing the database name. If no database-name is supplied, the ID number of the current database is returned.

• global_database_id option [database]

• SQL/2003    Vendor extension.

The statement returns the value 0, when executed against the SQL Anywhere sample database as the sole database on the server.

SELECT DB_ID( 'demo' );

The following statement returns the value 0 if executed against the only running database.

SELECT DB_ID();