Answer Posted / rama krishna
PSB : Program Specification Block which is inturn a
collection of one or more PCBs.
PCB : Program Control Block which represents the
application program's view of the database.
ACB : Application Control Block which is the combination of
DBD and PSB. ACBs can be two types
1. Dynamic: Which is used for IMS DB programs as the ACB
constructs at run time by giving respective DBDGEN and
PSBGEN.
2. Static : Which is used for IMS DC programs as the ACB
need to be created before executing the IMS DC program.
Is This Answer Correct ? | 46 Yes | 4 No |
Post New Answer View All Answers
What are the objectives of dbms in ims?
Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?
What is dbd?
What are the two ways in which dl/i interface can be invoked?
Define dl/i?
What is batch dl/i mode?
How many root segments do we have per database record?
Define psb?
What is the maximum of key fields and search fields allowed in a segment?
Explain the two ways in which dl/i interface can be invoked?
Explain the maximum number of pcbs allowed in a psb?
What is meant by mpp mode?
What is mpp mode?
Define pcb?
What is the advantage of creating the acbs well ahead of time?