A data store consists of the set of tables that a messaging engine uses to store data persisted 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 persisted objects such as messages and subscription information These tables hold both persistent and nonpersistent objects, using separate tables for the different types of data. |