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 5934

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

1 6167

What is 88 level used for ?

2 16867

How do we get current date from system with century?

2 10741

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

TCS,

3 20222

Can the OCCURS clause be at the 01 level?

2 6661

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

IBM, RBS,

2 20076

How may divisions are there in JCL-COBOL?

IBM,

5 18539

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

IBM,

1 13852

How is sign stored in a comp-3 field?

7 22428

What does the IS NUMERIC clause establish ?

2 13931

What are the differences between COBOL and COBOL II?

CSC,

1 7778

Name the divisions in a COBOL program ?

7 17140

How can you submit a job from COBOL programs?

ITC Infotech,

2 12133

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

3 9550

Un-Answered Questions { IBM MainFrame }

What is the IDD?

1499

How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.

5479

Explain the difference between external subroutine and subprogram?

1127

What is explain plan in db2?

945

Can min or max be used with alphanumeric data?

930

What is the distinction amongst include and copy?

937

Explain the difference between the into and the set option in the exec cics receive map command?

1061

can you specify some the distinctive features of a ksds, key sequenced dataset?

983

How to find occurrence of mu and pe fields in a file?

836

What is db2 optimizer?

1180

How to execute 2nd and 4th steps among 5 steps in jcl proc?

1222

If we wish to create bms executable, what are the basic steps that the user has to go through?

1046

Define gdg?

946

Define check constraint.

1029

List down the data types in the db2 database.

1045

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