WAS v8.5 > Reference > Administrator best practicesAltered database tables
A data store uses a relational database management system (RDBMS), working through JDBC, to store data as rows in a set of tables. A few of the database tables are altered as a result of running the sibDBUpgrade command.
The following table lists the database tables that arealtered after running the sibDBUpgrade command.
Altered database tables. The first column of the table shows the name of the modified table. The second column of the table describes the purpose of the table.
Table name Purpose SIBOWNER Ensures exclusive access to the data store by an active 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 different types of data.
Related concepts:
Data stores
Data store exclusive access
Related
Backing up a data store
Restoring a data store
Create data store tables
Migrating a messaging engine based on a data store
Generate the DDL statements needed to create or alter data store tables
Reference:
Data store tables
sibDBUpgrade command