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

IBM MainFrame (5234)
IBM AS400 (1355)
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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 8299

How do we pass parameters into a CICS –DB2 program

Accenture, JPMorgan Chase,

4152

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

Accenture,

1 5670

How many ways to share information between different CICS programs?

Accenture,

3 8207

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 11693

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

Accenture,

2693

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

Accenture,

4 20884

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

Accenture,

1 4332

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

Accenture,

1 6650

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

2452

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

IBM,

5 10948

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,

2732

How to resolve deadlock issue

IBM,

5 20099

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 5014

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

L&T,

4 12075

Un-Answered Questions { MainFrame }

Define autostatus in idms?

840

Explain the disadvantage of dynamic generation of acb?

940

what is difference between file-aid tool and file-aid utility?

1493

what is unit testing ? on which basis you will write test case ?

2008

Can we move alphanumeric incentive to the numeric field?

1042

How is a type of file defined in the jcl that executes the cobol program?

1188

Name the statement which can be used to send data to another mvs jes3 node?

1174

What are the benefits of using the db2 database?

1222

Explain the mdt in cics?

1151

Name the cics command that gives the length of twa area?

992

How to rename a table in DB2 ?

1086

what difference exists between control area and control interval?

1038

distinguish between terminating a program through seton lr and return?

1095

1. If there are two programs using same file and 2 users are using the file at the same time and what can be done to allow them both to access? 2. How can remove lock from the file for accessing it by both users?

950

how do you read changed records backward in subfile?

1092

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