Data store tables

A data store uses a relational database management system (RDBMS), working through JDBC, to store data as rows in a set of tables. This data is important when you are backing up or restoring a data store.

The following table summarizes the purpose of each data store table.

Table name Purpose
SIBOWNER Ensures exclusive access to the data store by an active messaging engine.
SIBOWNERO Used for locking the data store. This table stores no data in its one EMPTY_COLUMN column.
SIBCLASSMAP Catalogs the different object types in the data store.
SIBLISTING Catalogs the SIBnnn tables.
SIBXACTS Maintains the status of active two-phase commit transactions.
SIBKEYS Assigns unique identifiers to objects in the messaging engine.
SIBnnn, where nnn is a number Contains persistent objects such as messages and subscription information. These tables hold both persistent and nonpersistent objects, using separate tables for the different types of data.
Note: The SIBOWNERO table was introduced for WebSphere® Application Server Version 7.0 and must be created when you are migrating to WebSphere Application Server Version 7.0 from an earlier version of WebSphere Application Server. See Migrating a messaging engine based on a data store for things to consider when you are migrating a messaging engine based on a data store.
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Last updated: Oct 21, 2010 1:44:59 AM CDT
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