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SQL/MED

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The SQL/MED, or Management of External Data, extension to the SQL standard is defined by ISO/IEC 9075-9:2003. SQL/MED provides extensions to SQL that define foreign-data wrappers and datalink types to allow SQL to manage external data. External data is data that is accessible to, but not managed by, an SQL-based DBMS. This standard can be used in the development of federated database systems.

Implementations

  • PostgreSQL has support for some SQL/MED since version 9.1. 9.2 supports more.[1]
  • LucidDB has support for SQL/MED.[2]

See also

References

  1. ^ PostgreSQL Wiki: SQL/MED
  2. ^ LucidDB Architecture


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