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

In cobol+DB2program if the code of cobol program has changed than i have to do precompilation once again?

TCS,

6 11575

In DCB, what is LRECL,BLKSIZE,DSORG

TCS,

1 8217

In SPACE,what is directory,RLSE

TCS,

6 11028

what is fixed length and variable length and difference between them

CGI, Wipro,

1 6627

what is JCLLIB and PROCLIB in jcl and their syntax

IBM,

3 29387

what is the resolution for sb37 error

TCS,

2 9271

. What is the difference between the following statements : I) step#1 exec PGM=accpay ii) step#1 exec tbalance

1 5148

What is the error in the following JCL statements : I) //step#three exec pgm=hkbc762 ii) //step#3 exec pgm = hkbc762 iii) //step#3 exec pgr = hkbc672

6 8863

What is Backward Referencing ?

HSBC,

3 17016

what is the difference between the jes2 and jes3

2 9171

diffrence between renames and redifnes with examples

IBM,

3 27596

what is utility for parm lib

IBM,

2425

what is parm utility

IBM,

2 4870

what is load and unload in db2

IBM,

1 6053

how to copy the host variables from ps file into cobol program other than include statement

Syntel,

1 8036

Un-Answered Questions { IBM MainFrame }

what is the other verb for release and write ?

1068

What is the use of with ur in db2?

1115

What is the difference between drop table and delete table?

1291

Explain the maximum number of levels allowed in ims db?

3832

what are s0c1, s0c4, s0c5, s0c7 abends?

1380

What is the purpose of store statement?

880

What is precompiler in db2?

1082

What is the difference between cursor and select statement?

1156

How connect db2 database to datastage?

1294

What is amode(31)

1226

What is one line to pass PARM from JCL to COBOL?

5015

What is a region in idms?

954

what are the differences between and exec cics xctl and exec cics start command?

1299

What are Naming Conventions in QMF?

1883

Explain how can a stopped job be started again?

1185

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