Foreign Data Wrapper

The foreign data wrapper (FDW) of openGauss can implement cross-database operations between openGauss databases and remote databases or between openGauss databases themselves. Currently, the following remote databases are supported: Oracle, MySQL (MariaDB), openGauss (postgres_fdw), file_fdw and DBLINK.

• External Data Wrapper for Oracle

• mysql_fdw

• file_fdw

• dblink