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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 |
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how do you create an alternate index ?
By looking into JCL can we identify the dataset is VSAM (VSAM dataset supposed to be a input dataset).In this scenerio how will we identify the dataset is VSAM ?
5 Answers Cognizant, EDS, Shridhar,
what do you mean by the repro command?
What is the base cluster?
Would you specify freespace ce for an esds?
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why do we use vsam file thn seqential files ?
can i see how many records does a vsam file have without browsing or without using file-aid? and same for ps file?
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