Oracle Streams

Oracle Streams

In computing, the Oracle Streams product from Oracle Corporation encourages users of Oracle databases to propagate information within and between databases. It provides tools to capture, process ('stage') and manage database events via Advanced Queuing queues.

Oracle Streams is the flow of information either within a single database or from one database to another. Oracle Streams can be set up in homogeneous (all Oracle databases) or heterogeneous (non-Oracle and Oracle databases) environments. The Streams setup uses a set of processes and database objects to share data and messages. The database changes (DDL and DML) are captured at the source; those are then staged and propagated to one or more destination databases to be applied there. Message propagation uses Advanced Queuing mechanism within the Oracle databases.

Applications for the Oracle Streams toolset include data distribution, data warehousing and data replication.

As of Oracle version 9.2, Oracle Corporation makes Oracle Streams available on Oracle Enterprise Edition systems only.

In July 2009, Oracle acquired GoldenGate, a company with a heterogeneous replication solution. Oracle Corporation is now encouraging customers with new applications to use GoldenGate rather than Streams.


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