How long have you been working on mainframes?
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can we use already existing access path?
What is meant by an isolation level?
What is plan and package in mainframe?
Can you explain function of dbctl?
what are the parameter we cannot use in procedure? How many instream we can write in single jcl? Can we call instream to catalog and catalog to instream?
what is the msg id for OPNQRYF?
Have you caused any huge mistakes for the bank?
When do you get -811 sqlcode and how to resolve it?
Can you define an alias?
how to change pic of variables declared in copy book inside progrm?
have you ever know what is the meaning of Packed Decimal
How scary is it to write code for a bank?