can alternate index use in ESDS since it does not contain
primary index? if yes can you explain?
Answers were Sorted based on User's Feedback
Answer / reji
Alternate index is possible. There is no relation between
primary index&alternate index
| Is This Answer Correct ? | 10 Yes | 1 No |
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 |
Answer / sridhar
Alternate index can be used only in KSDS and ESDS.primary
index is not available in ESDS,it has RRN(relative record
no)only.
| Is This Answer Correct ? | 0 Yes | 8 No |
should a AIX should be a unique value?
in what type of vsam datasets can an alternate index be defined??
how do you define an altindx ? How do you use altindxs in batch, cics programs?
What are the access method services used in vsam?
What is the meaning of each of the values in SHAREOPTS(2 ?
What is the difference between sequential files and ESDS files?
what do you mean by idcams? Explain its purpose?
Using alternate indexes in cics program?
What is a VSAM slot?
how to see the last records in vsam dataset??
Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?
Can we copy Vsam files from a Vsam file in Iebgener step?
4 Answers iGate, Tech Mahindra,