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Answer Posted / sagar kajale
aix is used to access records of vsam ksds in order other than ksds files primary key or we can say base key. the ds over which aix exists is called a base cluster.
aix are ksds and has their own data and index component.
advantages:
can be updated automatically.
reduces data redundancy.
can be defined for both ksds and esds.
can have duplicates.
Disadvantages:
complex update logic.
performance degradation.
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what how do you initialize a vsam file before any operation? A vsam with alternate index?
Define dynamic processing?
Define base cluster?
in a cobol select statement, can you tell what is the organization for a ksds?
how do you create an alternate index ?
what is the probability of a complete system distortion under high end low performing multiprocessor job?
How is record management performed in vsam?
How to get the last record in vsam file in cluster? And how can u get the ksds file records into cobol program?
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?
Differentiate between ci split and ca split?
What is the difference between lds and esds?
explain in brief how you can create a vsam file?
what does a file status of 02 on a vsam signifies?
What is the main purpose of having user catalog in vsam?
Define a path?
