SQL/MED

The SQL/MED ("Management of External Data") extension to the SQL standard is defined by ISO/IEC 9075-9:2008 (originally defined for SQL: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.^[1]^[2]
LucidDB has support for SQL/MED.^[3]
MariaDB has support for SQL/MED with the CONNECT storage engine.^[4] The implementation uses different syntax than the official standard.
Farrago has support for SQL/MED.^[5]
IBM DB2 has support for SQL/MED.^[6]
Teiid has support for SQL/MED. ^[7]

References

External links

SQL/MED - A Status Report

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[1] PostgreSQL Wiki: SQL/MED

[2] Chapter 5.12, "Foreign Data" of the PostgreSQL Guide.

[3] LucidDB Architecture

[4] CONNECT storage engine

[5] Farrago SQL/MED Support

[6] IBM federated database technology

[7] Teiid Documentation

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Contents

SQL/MED

Implementations

See also

References

External links