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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 |
Explain the index set?
what are the idcams commands that can be used for vsam and explain each of them.
what is reuse parameter ?
Would you specify freespace ce for an esds?
Is CA(Control Area) is part of CI(Control Interval)
What are the different commands used in idcams for vsam?
What is the purpose of control intervals in vsam?
what is meant by dirty read in vsam?
Explain the meaning and syntax for the START command. ?
How many buffers are allotted to VSAM KSDS and ESDS?
How do you define a KSDS ?
What do you mean by dirty read ?
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