why do we use vsam file thn seqential files ?
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Answer / vijay
1)Record Insertion inbetween the existing recored is
poosible.
Where as in PS file we can add only at the end
2) we read record in any order
were as in PS it is possible to read from 1st , 2nd ,
3rd... like that
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / rajesh
ps files are stored in tape but esds cannot be stored in tape
and ps file cannot becreated alternate index but esds can be created
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / pramod reddy
ps files can created on tape.but not esds files.
alternate index can be created in esds.but not in ps.
records inserted in seq nd random.but in ps only seq.
| Is This Answer Correct ? | 1 Yes | 0 No |
What are the different versions of gdg named?
What is the significance of the SHAREOPTIONS parameter?
What is an alternate index and path ?
What is the main function of key-sequenced data set?
in what type of vsam datasets can an alternate index be defined??
what are the additional information you should give in the dd statement while defining the next generation of a gdg?
By seeing the file itself how can we identify whether it is A vsam file or flat file
How is the sorting of vsam files carried?
what is vsam catalog ?
What are the different parameters that are used in vsam?
What is a base cluste?
Explain the index set?
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