Replication is the maintenance of database objects in two or more databases. Oracle Streams provides powerful replication features that can be used to keep multiple copies of distributed objects synchronized.

• 复制是指在两个或多个数据库间维护数据库对象的一致性。Oracle数据流提供了强大的数据复制功能,可以用于分布式环境中数据库对象与其副本之间的同步。