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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 |
Why is it required to have a keyed directed retrieval?
What are the distinctive features of a ksds, key sequenced dataset?
What is a vsam dataset?
how to see the last records in vsam dataset??
what is the concept of IMPORT in vsam??
What is a sequence set?
What happens when you open an empty VSAM file in a COBOL program for input?
what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.
How to open VSAM file from 3.4? i have millions of records and i dont want to use the print ch ids(/) command bcz it takes to much time. so if you have any another command to open this plz tell me.
If we are using empty VSAM file, we can see this empty file by using FILE AID tool. How can we open empty VSAM file if you are using in Program..?
print ids(/)char??what is the full form of ids??
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
COBOL 
