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

name the vsam file in which the deletion is not possible.

1 4984

If i have a variable A pic 9(2) value 10 Compute A = a - 100 what will be the value of A and will there be any error becoz of the Negative value

CTS,

3 9351

how many subpgms we can use in a main pgm ? how do u link sub pgm to main pgm ? how can i use the parameters declared in main pgm to sub pgm ?

TCS,

2 8227

how many bytes does s9(15) occupy in comp1 comp2 and comp3 ?

TCS,

4 22163

select 100 records from million records ?

Verizon,

2 8112

i have step1,step2,step3 from where can i start coding cond parameter ?

Verizon,

2 6604

cursor with hold explain ?

Verizon,

1 6484

how do u send return code from cobol to jcl ?

TCS,

2 8987

i have variable record in the 5th, i want to sort from 5th filed ? how ?

TCS,

2 7191

what is a load module ?

TCS,

3 9287

how do u start your process after conducting impact analysis ?

TCS,

2175

what is symbolic parameters in jcl, what is a temparary data set ? where do u use ?

Verizon,

2 15831

how can u identify the db2 from jcl ?

TCS,

2 7889

i have a db2 variable how do u declare tht into working storage section ?

TCS,

1 6087

tell me about examine inspect and evaluate ?

CTS,

2 11190

Un-Answered Questions { IBM MainFrame }

What is comp-1?

1018

What are the advantages of vsam over isam?

1198

what are JCLLIB and STEPLIB in JCL?

1241

What is meant by deadlock in db2?

1331

How gdg are concatenated?

1178

What is the primary aspect of CICS?

1192

Suppose pgm A calling Pgm B .Pgm B has some Db2 program. at the time of compilation should plan and package will be created for both A and B or only B? What is the concept?

8397

Define the term mro (multi region operation)?

1183

is it required that primary key values have to be unique? Do alternate key values have to be unique?

1111

What is difference between static and dynamic call in cobol?

1473

How to run db2 command in windows?

1256

What is difference between static call and dynamic call?

1097

In case if the user inputs the characters which turn out to be uppercase, then what is the procedure to close that condition?

1092

What is cobol db2?

1055

which parameter is used to check the syntax of a jcl without executing it?

1430

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