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 |
what are the codes returned by the ams (access method services) command during the execution in vsam?
What are the types of VSAM datasets?
What is an alternate index?
what is vsam catalog ?
how to view clusters that has more than 10000 records
How do you load a VSAM data set with records ?
What is a CI, control interval?
What are the different dataset organizations used in vsam?
What is SHAREOPTS ?
write a program to read from a VSAM file , there will be a 5 records to create name. empno. resignation and address to update in a db2 table and call another program using dynamic call to find the matching fields in program 1 to update in db2 table. anybody pls send de program for dis ? thanks in advance...
What are the access method services used in vsam?
what's the biggest disadvantage of using a VSAM dataset?
8 Answers Anjana, CTS, DSRC, IBM,