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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

what is need of start 0? In steed of

IBM,

1040

Ap wkur,=p5 where wkur is a label?

IBM,

1088

how do you round the addition or subtraction of two numbers in assembler? what does the following code do? change process tool(code changes from dev to prd) the changes made to your code should be effected in live. How the process takes place. That is how can you move the code changes from development to production?

IBM,

1085

how to initialize a register to 0000?

IBM,

1082

What is a Foreign Key?

Tavant Technologies, Zensar,

1050

what is a corelated subquerry?

IBM,

1079

can all users have the privilage to use the sql statement select * (dml)?

IBM,

1127

What is the maximum number of columns in a db2 table?

IBM,

1234

B37 abend during spufi?

IBM,

1418

What is the maximum No of rows per page?

IBM,

1028

what are the parameter we cannot use in procedure? How many instream we can write in single jcl? Can we call instream to catalog and catalog to instream?

IBM,

997

how could you write a program in a structured format?

IBM,

935

what is the role of the is numeric clause?

IBM,

1053

A word in the computer memory is identified by_________

IBM,

955

what is the meaning of notcat 2?

IBM,

1085

Un-Answered Questions { IBM MainFrame }

Explain about open switch business continuity software?

1093

How do you create a temporary dataset?

1135

Mention the different locking levels that are available in db2.

1095

why is there no os/2 (ecs) port of oorexx?

946

What is the Purpose of Pointer in the string?

1039

What is the purpose of rollback and commit?

1121

What is the clustering index in the db2 database?

967

What is the connection string to connect to the DB2 Database ?

1076

Explain how pa key is different from pf key?

1102

How did the release of cobol/370 version 1.3 improve the performance of release 1.1?

1039

i want new rexx tool which will perform jcl chk without submitting it

2026

What is the reason behind not using select * in embedded sql programs?

1062

in order to execute step2 a job after a return code of 8 in step1, what condition you will code in step2?

2657

I have 60 steps in the JCL and want to Execute Only First from PROC by overriding in JCL ?

1798

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

880

For More Un-Answered { IBM MainFrame } Questions Click Here