What is the purpose of a DBD (Database Descriptor) in an IMS DB system? - IMS DB Quiz

IMS DB - Quiz(MCQ)

What is the purpose of a DBD (Database Descriptor) in an IMS DB system?

A)

To describe the format of database records

B)

To specify the database segments and fields that an application program accesses

C)

To provide a communication link between an application program and the database management system

D)

None of the above

Correct Answer : To describe the format of database records

Explanation : A DBD (Database Descriptor) is used in an IMS DB system to describe the format of database records. It contains information about the structure of the data, including the names and types of fields, as well as information about the relationships between different segments in the database.

Recently Updated in IMS DB Questions

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

A)

WRITE

B)

LANG

C)

PSBNAME

D)

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)

A file that contains the database records

B)

A file that contains the structure of the database

C)

A program that is used to retrieve information from the database

D)

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 ______.

A)

White spaces

B)

The segment category which is being used for processing

C)

The segment name which is being used for processing.

D)

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.

New Technologies MCQ's

Machine Learning

Artificial Intelligence

Ethical Hacking

Microsoft Azure

Cloud Computing

Quantum Computing

Neural Networks

Virtual Reality

Augmented Reality

Advertisement