Mainframe interview questions – page 3

What is Control Interval, Control Area ?

In vsam why we use export-import utility?

What is Hirarchy Chart?

What is difference between oracle and sqlserver ?

What is abend s322

What is the improvement to COND= in the latest version of MVS?

What more info you should give in the DD statement while defining the next generation of a GDG?

How do you convert flat files to VSAM files

What is IDCAMS ?

How do you define a GDG ?

When you specify mutiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

Where and how to use JCL process(premap and response map)?

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statment for this? ( How do you code instream data in a JCL? )

How do you initialize a VSAM file before any operation? a VSAM with alternate index?

How do you convert negative packed decimal number to positive PD using JCL?

What does a ROLLBACK do?

What is the purpose and meaning of the TIME keyword and what JCL statement is it associated with?

Can you code instream data in a PROC ?

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

While designing vsam files,what's the best way to choose control interval size for the data and the index?

Does mainframe will support object oriented concept? Jestify.

What is the diff between dbrm.lib and loadlib what r they used for

What do you know about MFS?

What will the PDS utility do for TSO?

What is the difference between primary and secondary allocations for a data set?

Explain concatenating datasets.

What is the meaning of the EXEC statement keyword, COND? What is its syntax?

What is the meaning of keyword in JCL? What is its opposite?

How do you decide on optimum values for CI, FREESPACE etc..?

What do you mean by dirty read