MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

What RCT Entries will you make for a CICS DB2 program??

Accenture,

1 8197

How do we pass parameters into a CICS –DB2 program

Accenture, JPMorgan Chase,

4106

How can we code a program such that we will never get a MAPFAIL error?

Accenture,

1 5589

How many ways to share information between different CICS programs?

Accenture,

3 8064

Generally we check EIBALEN = 0 to decide whether first call or not. If I do not pass any value in the COMMAREA then EIBCALEN will be 0 even on second call. Now how can we say the program is called for the first time or second time?

Accenture,

3 11560

What will happen if some program tries to process a queue on which an ENQ command has been issued by some other program?

Accenture,

2624

If by mistake we MOVE a working storage variable into LINKAGE area. What will happen??

Accenture,

4 20703

What is a PLAN table? How will you use it? Give the various fields of PLAN table?

Accenture,

1 4221

My SQL is not performing well. Describe how will you fine tune it?

Accenture,

1 6565

Can anybody tell what is tool used to generate the list of PROCS used in JCL to generate a PROCTREE

2410

Suppose we have field reference file we were any changes that corresponding Physical file then what will Happen in field reference file??

IBM,

5 10733

write a program to read from a VSAM file , there will be a 5 records to create name. empno. resignation and address to update in a db2 table and call another program using dynamic call to find the matching fields in program 1 to update in db2 table. anybody pls send de program for dis ? thanks in advance...

CTS,

2695

How to resolve deadlock issue

IBM,

5 19894

Trying to help a friend... How do you code screen I/O without a DDS? I know it can be done, because for a short time, I worked for a company that did it. It was just too long ago for me to remember what was involved.

1 4930

How to identify in JCL that an input file is empty without reading it?

L&T,

4 11927

Un-Answered Questions { MainFrame }

a dd statement has 2 types of parameters. Name them?

1095

Define TCT.

1108

What are some uses of the evaluate statement?

907

Cursors can be declared in both working-storage & procedure division, agreed. But is there any difference? If could you please suggest what is the difference

1322

What is the difference between db2 and oracle?

1072

What is cloudant database?

1048

Does jcl support automatic restart?

1190

To Add A File To The 'file Selection' Option Of A Query, The Function Key To Be Pressed Is?

1168

How many bytes will a s9(8) comp field occupy ?

1087

explain sorting techniques in cobol program?

1150

What do you understand by the term job time – out and how can you overcome that?

976

Explain what all the conditiones required for using open opcode on a file?

903

How to Save a Query?

1531

What is the max length of sqlca?

1166

How to Clear a Query Using the RESET Command ?

1668

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