is it required that primary key values have to be unique? Do alternate key values have to be unique?
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Assuming that the DEFINE JCL is not available, how do you get info about a VSAM file's organisation?
How many times secondary space allocated?
What is the Difference between LDS & ESDS ?
What are the different types of VSAM files available?
What is the difference between CI( Control Interval)and CA (Control Area)?
What is the meaning of dynamic processing?
Is a delete operation possible in an ESDS?B. Is rewrite operation possible in ESDS ?
what is meant by BUFND & BUFNI..?
What is the use of access method services in vsam?
What is the COBOL RECORD KEY clause?
In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?
what will happen when you try to open an empty vsam file in a cobol program for input?