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Answer Posted / rookie
Mr.Ram's answer is the practical reason for using dirty
read.When a user needs to view records and does not intend
to update than a UR isolation level is used, so that any
changes made by other's dont bother user1.
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What is the difference between lds and esds?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
how many buffers are allocated to vsam ksds and esds?
explain how do you define a gdg in vsam?
What is the device independent method to indicate where a record is stored?
What is the purpose of control intervals in vsam?
What is a base cluste?
is it required that primary key values have to be unique? Do alternate key values have to be unique?
Tell about the ams used in vsam?
Differentiate between control interval (ci) and control area (ca)?
Why is master catalog used in vsam?
What is the place for VSAM KSDS?
Discuss record management in vsam?
Using alternate indexes in batch program?
Define a path?
