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Use Oracle Streams to create configurations that enable new classes of functions. In addition, all deployments and their associated metadata are compatible. For instance, a replication set up simply could be extended to load a knowledge warehouse or enable bi-directional replication””a complete reconfiguration isn’t required.
For instance, the duplicate can use a rule which specifies that solely the staff for a selected division based mostly on the department identifier column be contained inside the desk. Oracle Streams routinely manages the changes to make sure that the data inside the duplicate matches the subset rule standards. As occasions enter the staging space, are propagated, or exit the staging space, they are often transformed. A transformation is a change in the form of an object taking part in capture and apply or a change in the information it holds. Transformations can embody changing the datatype illustration of a particular column in a desk at a specific database, adding a column to a table at one database only, or including a subset of the data in a desk at a specific database.
Oracle’s extensible framework lets a number of functions share the identical queue, eliminating the necessity to add extra queues to assist further applications. Configuring Streams for replication begins with specifying an object or set of objects to be replicated. Using the implicit capture mechanism of Oracle Streams, adjustments made to those objects may be captured effectively and replicated to a number of remote methods with little impression … Read More