SQL/Schemata
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The SQL/Schemata, or Information and Definition Schemas, part of the SQL standard is defined by ISO/IEC 9075-11:2008. SQL/Schemata defines the information schema and definition schema, providing a common set of tools to make SQL databases and objects self-describing. These tools include the , and integrity constraints, , features and of ISO/IEC 9075, support of features provided by SQL-based DBMS implementations, SQL-based DBMS implementation information and , and the by the DBMS implementations. SQL/Schemata defines a number of features, some of which are mandatory.
The SQL/Schemata, or Information and Definition Schemas, part of the SQL standard is defined by ISO/IEC 9075-11:2008. SQL/Schemata defines the information schema and definition schema, providing a common set of tools to make SQL databases and objects self-describing. These tools include the , and integrity constraints, , features and of ISO/IEC 9075, support of features provided by SQL-based DBMS implementations, SQL-based DBMS implementation information and , and the by the DBMS implementations. SQL/Schemata defines a number of features, some of which are mandatory. ==See also== Data Definition Language (CREATE, ALTER, DROP...) SQL:2003 (Introduced SQL/Schemata) Data dictionary ==References== ==External links==
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