A permanent journal table is created and activated when the default JOURNAL table option and a journal table name are specified as part of the CREATE DATABASE, MODIFY DATABASE, CREATE USER, or MODIFY USER statement. See CREATE DATABASE, CREATE USER, MODIFY DATABASE, and MODIFY USER. The table resides in the database or user space that defined it. The specified JOURNAL parameters serve as the defaults for all the data tables created in that database or user space.
In defining a new table, you can override the established permanent journaling defaults by specifying the JOURNAL options as part of the CREATE TABLE statement. You can specify the journal table, the type of image (before-change, after-change, or both) and whether dual images are to be maintained for the created table, regardless of the option established when the containing database or user was created.
- Modification to its partitioning
- Modification to its uniqueness
- Modification to its column set definition
As a result of changing the version number for a table, permanent journal rollforward and rollback operations from previous table versions are no longer valid.
Permanent journals are not supported for NoPI, column-partitioned, global temporary, or volatile tables.