Multiple choice technology databases

WHAT ARE THE CONTROL BLOCKS IN IMS DB?

  1. DBD

  2. PSB

  3. PCB

  4. IMSCB
Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

IMS DB has three control blocks: DBD (Database Descriptor) describes the database structure, PSB (Program Specification Block) describes the program's view of the database, and PCB (Program Communication Block) is the actual interface used by the program. IMSCB is not a standard IMS control block.

Keep practicing — related questions