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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 |
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