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what are the control blocks in IMS ?
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Answer / s
PSB,DBD,ACB are the control blocks in IMS. It contains
description of the database structure in the DBD and the
applications view of the database and its processing intent
defined in the PSB. Online programs require an additional
step of ACBGEN to combine the DBD and PSB into ACB.
| Is This Answer Correct ? | 17 Yes | 0 No |
Answer / subrahmanyam
There are 3 types of control blocks DBD,PSB,ACB.
DBD(Data Base Descriptor or Decription) specifies Physical
structure of an IMS database.
PSB ( Program Specification Block) Specifies Logical
Structure of an IMS database.
ACB : The combination of DBD and PSB is nothng but ACB
(Application Control Block).
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / guest
PSBGEN, DBDGEN and ACBGEN are the control blocks in IMS
| Is This Answer Correct ? | 6 Yes | 8 No |
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COBOL 
