What is the purpose of the LOG (Logging) data set in an IMS DB system?

IMS DB - Quiz(MCQ)

To provide additional security for the database

To store backup copies of the database

To provide a record of system activity for recovery purposes

None of the above

Correct Answer : To store backup copies of the database

Explanation : The LOG (Logging) data set is used in an IMS DB system to store backup copies of the database. It is used to ensure that changes made to the database are not lost in the event of a system failure, and can be used to restore the database to a previous state if necessary.

Recently Updated in IMS DB Questions

Which parameter specifies the language in which the application program is written in PSBGEN?

WRITE

LANG

PSBNAME

LANGUAGE

Correct Answer : LANG

Explanation : The LANG parameter specifies the language in which the application program is written, e.g., COBOL.

What is a VSAM (Virtual Storage Access Method) dataset in an IMS DB system?

A file that contains the database records

A file that contains the structure of the database

A program that is used to retrieve information from the database

None of the above

Correct Answer : A file that contains the database records

Explanation : In an IMS DB system, a VSAM (Virtual Storage Access Method) dataset is a file that contains the database records. It is used to store the data for the database.

The first 8 bytes of unqualified SSA holds ______.

White spaces

The segment category which is being used for processing

The segment name which is being used for processing.

None of the above

Correct Answer : The segment name which is being used for processing.

Explanation : The first 8 bytes of unqualified SSA holds the segment name which is being used for processing.