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 care has to be taken to force program to execute above 16 Meg line?

1 6043

What COBOL construct is the COBOL II EVALUATE meant to replace?

1 6268

What is 88 level used for ?

2 17010

How do we get current date from system with century?

2 10872

If you were passing a table via linkage, which is preferable - a subscript or an index?

TCS,

3 20422

Can the OCCURS clause be at the 01 level?

2 6797

What is the maximum size of a 01 level item in COBOL I? in COBOL II?

IBM, RBS,

2 20269

How may divisions are there in JCL-COBOL?

IBM,

5 18790

What are the differences between OS VS COBOL and VS COBOL II?

IBM,

1 13969

How is sign stored in a comp-3 field?

7 22755

What does the IS NUMERIC clause establish ?

2 14072

What are the differences between COBOL and COBOL II?

CSC,

1 7946

Name the divisions in a COBOL program ?

7 17439

How can you submit a job from COBOL programs?

ITC Infotech,

2 12268

What is the point of the REPLACING option of a copy statement?

3 9748

Un-Answered Questions { IBM MainFrame }

explain in brief what are the 3 types of vsam files?

1109

What is runstats utility in db2?

1020

How does db2 sample database connect?

1031

What is jcl in mainframe?

1201

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1123

Brief description of inline procedure of jcl.

1257

Explain what is a cursor in cics sql processing?

1034

What is isolation level in db2?

1005

How can you get the ksds file records into your cobol program?

1100

What is speed parameters in define cluster command?

1039

How to Build a Row Condition?

1726

Explain various types of locks in db2?

1151

Explain about cursor stability?

1050

What is meant by an isolation level?

1014

What is with ur in db2?

1320

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