is it slower if you access a record through alternative index as compared to primary index?
Answer / guru
Yes, because the alternate key would first locate the primary key, which in turn locates the actual record.
| Is This Answer Correct ? | 0 Yes | 0 No |
what is freespace
How to rename one vsam file as well as it's index?
What are the advantages of vsam over isam?
what is buffering and how does it apply to vsam files ?
Using Alternate Indexes in CICS pgms: ?
Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?
if not using the 'commit' when closing VSAM file,what will happend
Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now?
Tell me how many alternate indexes you can have on a dataset?
How many cluster index can have in a table?
how yo view the vsam file?
What is a sequence set?