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Answer Posted / ram g
dirty read is an isolation level. it wont give exclusive
lock on table. what it says is that..when the user1 start
reading db and inserting a row1 while user2 reads row1 now
user1 rollback data now user2 read data which is not really
exist.
| Is This Answer Correct ? | 5 Yes | 1 No |
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If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?
Using alternate indexes in batch program?
what will happen when you try to open an empty vsam file in a cobol program for input?
Define free space?
Differentiate between control interval (ci) and control area (ca)?
What are the different versions of gdg named?
is delete operation supported in an esds? Is rewrite operation possible in esds?
to use the rewrite command, how should the vsam file be opened?
explain in brief what are the 3 types of vsam files?
What is the place for VSAM KSDS?
how can you load a vsam data set with records ?
what do you mean by define model parameter?
what are the additional information you should give in the dd statement while defining the next generation of a gdg?
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.
what do you mean by idcams? Explain its purpose?
