can alternate index use in ESDS since it does not contain
primary index? if yes can you explain?
Answer Posted / shriram supalwar
Alternate index is possible in ESDS but only in
On-line mode using RBA (Relative Byte Address)
- Accessing of records through RBA is faster than
accessing through index field
- It can be dangerous, since RBA can be altered
through control interval/control area split
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What are the different parameters that are used in vsam?
What does the keyranges parameter in define cluster command do?
what will happen when you try to open an empty vsam file in a cobol program for input?
In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?
What is recovery parameters in define cluster command?
Define base cluster?
what is the purpose of the verify function of idcams?
Define free space?
Under idcams, multiple functions can be executed, each of which returns a condition code. What will be the condition code returned to the operating system?
What is the difference between lds and esds?
what do you mean by a shareoptions parameter (shr) in define cluster command?
Describe the uses of ams?
What are the access method services used in vsam?
what are the additional information you should give in the dd statement while defining the next generation of a gdg?
Define dynamic processing?