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 11338

In DCB, what is LRECL,BLKSIZE,DSORG

TCS,

1 8128

In SPACE,what is directory,RLSE

TCS,

6 10791

what is fixed length and variable length and difference between them

CGI, Wipro,

1 6545

what is JCLLIB and PROCLIB in jcl and their syntax

IBM,

3 29224

what is the resolution for sb37 error

TCS,

2 9127

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

1 5081

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 8649

What is Backward Referencing ?

HSBC,

3 16877

what is the difference between the jes2 and jes3

2 9053

diffrence between renames and redifnes with examples

IBM,

3 27407

what is utility for parm lib

IBM,

2379

what is parm utility

IBM,

2 4757

what is load and unload in db2

IBM,

1 5970

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

Syntel,

1 7954

Un-Answered Questions { IBM MainFrame }

What is the difference between cursor and select statement?

1106

What is the use of db2 optimizer?

1117

how do you execute a background cics txn ?

1315

Differentiate between addressing mode and run mode.

1080

How to connect to db2 database from windows command line?

1066

What is release/acquire in bind?

1106

How arrays can be defined in COBOL?

1223

here is my requirement A1 is alphanumeric with value 'A1B2C3D4' as defined below 05 A1 PIC X(8) VALUE IS 'A1B2C3D4' but i need to have A2,A3 as ABCD & 1234 repectively...... A2 = ABCD A3 = 1234 Can you please explain me what are the different ways to do it?

7896

Explain the primary significance of intra-partition and extra-partition tdqs ?

1083

Name the two types of transient data queues?

1051

Give the format of using and giving in sort statement. What are the restrictions with it?

1038

what is meant by dirty read in vsam?

1347

What is node in db2?

1045

Mention the definition of cobol in varchar field.

1250

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1215

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