Learn the correct command to stop all Information Management System (IMS) databases in mainframe environments. Discover the two equivalent variations of the command.
Table of Contents
Question
What command is used to STOP all the IMS databases
A. IMSPDBR DB ALL
B. IMSTDBR DB ALL
C. Both A and B
D. None of the above
Answer
C. Both A and B
Explanation
In mainframe systems, there are two equivalent commands that can be used to stop all the Information Management System (IMS) databases:
- IMSPDBR DB ALL
- IMSTDBR DB ALL
Both of these commands perform the same function. They instruct the IMS control region to stop all the databases that are currently active or running.
The ‘DB ALL’ portion specifies that the command applies to all databases, rather than a specific database or set of databases. This ensures a complete shutdown of all IMS database activity.
Using either the IMSPDBR or IMSTDBR command with the ‘DB ALL’ parameter is the standard way to bring all IMS databases to a stopped state, typically done for maintenance, upgrades, or other administrative tasks that require the databases to be temporarily taken offline.
So in summary, options A and B both represent valid and interchangeable commands to stop all IMS databases in a mainframe environment, making C the correct answer. Options A and B are not mutually exclusive, but rather two different formats for issuing the same IMS database shutdown instruction.
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