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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

i need a program by giving input as a abcd in any randem order but i need a output as 1234 related to abcd. i.e,. a for 1,b=2,c.....etc..

IBM,

5 9994

why we are using picture clause in the cobol programs?

2 7404

i need a small 3d program using inline and outline.

2218

i want a program using by if, evaluate , string, unstring, perform, occurs?

1 4731

I found some good questions/answers regarding IMS here:

3061

How to execute step2,step5,step7 of a proc of 10 steps? You are not allowed to change in JCL.

IBM,

3 14766

What is the logical entity between plan and Package?

5 8926

IN DFSORT sum fields=none is usec to remove duplicates.how to write the duplicates in another dataset?

2 13766

is it compulsory commitment control in journal?

TCS,

2484

How to delete the records of a dataset through cobol programme?We should not use jcl utilitities like IDCAMS.

2 9618

What are the common jcl syntax errors you get? This is not abends?

1 6384

suppose a cobol programme A calling programme B,C and D. If C undergoes some change what if A,B,C,D need to be recompiled or only C nee to be recompliled.

IBM,

2 8820

How do u know what version of cobol u are using?

3 15738

How can you create a VSAM dataset? Can you write a JCL for it?

IBM, TCS,

4 23531

What's the difference between DB2 active log and archive log? Thanks a lot...

IBM,

2 13373

Un-Answered Questions { MainFrame }

What is db2 and what is the use of db2 optimizer?

1071

What is cursor with hold option in db2?

1084

What is db2?

1186

How to update physical file using logical file with example?

1063

Explain the input procedure?

951

How to create a link between multiple maps in a mapset?

I just know the Panvalet dataset name, i would like to search all the members of that dataset for particular keyword through Rexx. how to achive? please suggest. Is it possible to open panvalet member in browse mode using Rexx? Your help would be appreciated very much. Thanks in advance.

5567

DB2 can implement a join in three ways using a merge join, a nested join or a hybrid join. Explain the differences?

2860

Why do you need a secondary index in an ims?

964

What is the function of //cntl statement?

1341

Name the two types of transient data queues?

1054

which are the relational operators in rpg?

1133

What is the function of linear dataset in vsam?

1077

Explain The Keywords Edtcde & Edtwrd?

1404

Difference between main program and a sub program in PL/1?

2962

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