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437 developer mainframe interview questions shared by candidates

Write a cobol program to print common records from two file File A and file B to File C? Difference between Search and search ALL? Difference between INSERT and SELECT in DB2? Whats happens if the primary and secondary space is full? Why is it necessary to indicate primary and secondary space? Suppose there is a program A thats CALLS program B,how do you define the the linkage section in the called program the variable declaration, If you have to return back to the called program how do you code that in the program B?
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Mainframe Developer

Interviewed at Wells Fargo

3.5★
Feb 3, 2019

Write a cobol program to print common records from two file File A and file B to File C? Difference between Search and search ALL? Difference between INSERT and SELECT in DB2? Whats happens if the primary and secondary space is full? Why is it necessary to indicate primary and secondary space? Suppose there is a program A thats CALLS program B,how do you define the the linkage section in the called program the variable declaration, If you have to return back to the called program how do you code that in the program B?

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