Oracle Data Guard,
Oracle Data Guard Broker and
Oracle Active Data Guard are the commercial names for technologies that allows physical and logical standby (slave) databases to be configured and managed with
Oracle Database Enterprise Edition.
These should not be confused with other data replication and integration technologies, such as
Oracle Advanced Replication and
Oracle Golden Gate - although the latter does include a license to use
Oracle Active Data Guard when
Oracle Golden Gate is licensed in combination with
Oracle Enterprise Edition.