What is the primary function of Merge/Modify for Db2?
Merge/Modify for Db2 creates up-to-date image copies by merging existing image copies with Db2 logs. This reduces the time required to recover Db2 tables and databases.
How is Merge/Modify for Db2 configured and executed?
The product uses JCL (Job Control Language) to define and execute the merge and modify processes. Configuration files specify the input image copies, Db2 logs, and output dataset characteristics.
What types of image copies and modifications are supported?
Merge/Modify for Db2 supports merging full and incremental image copies with Db2 logs to create a consolidated, up-to-date image copy. It also allows for modifications to the data during the merge process, such as data masking or filtering.
What are the main components of the Merge/Modify for Db2 architecture?
The primary components include the merge utility, the modify utility, and the JCL execution environment. These components work together to read image copies and logs, apply changes, and create the updated image copy.