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Foreign Data Wrapper Matrix

A tabular overview of available FDWs and their current status.

This list currently covers only FDWs for other SQL databases/drivers.

SQL Databases
  Contrib? Pg versions Writeable? WHERE pushdowns? Transactions? URL Notes
postgres_fdw Y 9.3 Y Y Y source Read-only backport to 9.2 available
mysql_fdw N 9.1, 9.2 N N N source Seems to work with 9.3; works with MariaDB
informix_fdw N 9.1 ~ Y Y Y source
oracle_fdw N 9.1 ~ Y Y Y source
firebird_fdw N 9.2 ~ Y Y Y source
sqlite_fdw N 9.1 ~ N N N source 9.3 write functions implemented as placeholders
odbc_fdw N 9.1 N N N source Gsoc project; Repo not updated since Aug 2011
jdbc_fdw N 9.1, 9.2 N N N source
File-based
file_fdw Y 9.1 ~ N N N source