Answer Posted / 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 |
Post New Answer View All Answers
What is the maximum number of levels allowed in ims db?
Define acb?
What are the two ways in which dl/i interface can be invoked?
Explain the disadvantage of dynamic generation of acb?
What is psb?
What is a segment in ims?
Explain the advantage of dynamic generation of acb?
What is the disadvantage of dynamic generation of acb?
What is meant by mpp mode?
Define dl/i?
What do you mean by hierarchical database?
What are the processing modes available in ims db?
Portfolio analysis application is an example of?
What is dbd?
What are the advantages and disadvantages of a hierarchical database?