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What is the use of VSAM files? How to read this ?
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Answer Posted / dinesh
VSAM (or) VIRTUAL STORAGE ACCESS METHOD. it is faster access
to data, when comparing other access methods by the way of
Data sets ORGANIZATION. we can able to insert a records in
good way.records are physical removed while we deleting the
records and we can get the free space.
| Is This Answer Correct ? | 13 Yes | 1 No |
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What are the common vsam error conditions and codes?
How is record management performed in vsam?
what are s0c1, s0c4, s0c5, s0c7 abends?
Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.
Tell me how many alternate indexes you can have on a dataset?
how do you create an alternate index ?
What is control interval?
Define dynamic processing?
what is the meaning of each of the values in shareopts(2 3)?
name a few common vsam status codes?
Explain the significance of the shareoptions parameter?
what is the probability of a complete system distortion under high end low performing multiprocessor job?
if you wish to use the rewrite command how must the vsam file be opened?
Would you specify freespace ce for an esds?
Tell about the ams used in vsam?
