what are the control blocks in IMS ?
Answers were Sorted based on User's Feedback
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 |
What is meant by mpp mode?
what is the use of ENTRY in IMS?
What is dbdgen process?
What is mpp mode?
Define pcb?
can u tell me and give me an example : how to code a program checkpoint , restart, and tell me when and where i have to run 2 programs...Thanks
What is dl/i?
What are two reasons to run the DB Batch backout utility?
An application programmer comes to you and says your DB is no good, they got an II status code on an insert call from IMS, is this a DB problem?
What are the disadvantages of a hierarchical database?
What are the special considerations of the PROCOPT field based on the type of operation your program performs
What is difference between concurrent image copy and online image copy?