SQL/MED

The SQL/MED ("Management of External Data") extension to the

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]
Microsoft SQL Server has internal support for SQL/MED. DATALINK is provided by the FILESTREAM^[8] (SQL Server 2008) and FileTable (SQL Server 2012) functionnalities and external data wrapper by the EXTERNAL TABLEs and PolyBase^[9]

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v t e SQL
Versions	SEQUEL SQL-86 SQL-89 SQL-92 SQL:1999 SQL:2003 SQL:2006 SQL:2008 SQL:2011 SQL:2016 SQL:2023
Keywords	As Case Create Delete From Group by Having Insert Join Merge Null Order by Over Prepare Select Truncate Union Update Where With
Related	Edgar Codd Relational database
ISO/IEC SQL parts	Framework Foundation Call-Level Interface Persistent Stored Modules Management of External Data Object Language Bindings Information and Definition Schemas SQL Routines and Types for the Java Programming Language XML-Related Specifications