Data store tables

A data store consists of the set of tables that a messaging engine uses to store data in a database. These data are important when backing up or restoring a data store. Users can spread the data store across multiple tables.

Table name Purpose
SIBOWNER Ensure exclusive access to the data store by an active messaging engine
SIBCLASSMAP Catalogs the different object types in the data store
SIBLISTING Catalogs the SIBnnn tables
SIBXACTS Maintain the status of active two-phase commit transactions
SIBKEYS Assign unique identifiers to objects in the messaging engine
SIBnnn, where nnn is a number Contain 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.




Related tasks
Creating the tables
Enabling your database administrator to create the data store tables
Managing data stores
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