Database catalog
A database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, views (virtual tables), synonyms, value ranges, indexes, users, and user groups are stored.[1][2]
The SQL standard specifies a uniform means to access the catalog, called the INFORMATION_SCHEMA, but not all databases follow this, even if they implement other aspects of the SQL standard. For an example of database-specific metadata access methods, see Oracle metadata.
See also
References
- ^ Paul C. Tinnirello (1999). Systems Development Handbook. CRC Press. ISBN 0-8493-9822-3.
- ^ CREATE VIEW (Transact-SQL) in SQL Server 2008 Books Online, Microsoft Corporation
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