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

how to update asingle record in adabas? by using GET, can we do a single record updation?

Satyam,

1 4963

which are the parameters mandatory in job card ?

Accenture,

4 7762

How to copy VSAM files without using REPRO

ADP,

3 8538

is step name is compulsory in jcl ?

2 6856

I have put two write operations in a single para for two different conditions.Will that lead to an abend or run successfully and write two records?

CTS,

1 5948

Is it possible to access some memory location (Ex: VAR1 DS P) without using Base Displacement?

HCL,

1 3684

What is symbol table in assembler?

HCL,

2 5571

Suppose we have 5 steps in a job.No step should be executed After submitting every step in a job

AVB, IBM,

2 5920

query to just fetch first matching row and stop execution. once one matching row is found ..no more records should be checked.. if the first record is matching.. the query must stop

IBM,

2 5451

What is the maximum Key length of a KSDS dataset

2 4870

What is dummy parameter in JCL??

TCS,

3 7698

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Mphasis,

1 4946

i want new rexx tool which will perform jcl chk without submitting it

2020

How to recover a deleted source physical file from library?

HCL,

1 3971

If we put three reads in COBOL in the same para one after the other, to read a PS file,will it read the same record thrice or it will read three records sequentially? For example : Input File 01 02 03 Para 900 Read infile Display Infile rec Read infile Display infile rec Read infile Display infile rec. What will be the output?

2 5199

Un-Answered Questions { IBM MainFrame }

Tell me abt any another framework which is challening for Ibm framework

2055

What is eib?

1075

SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

11636

What is null indicator in cobol db2?

1005

What do you mean by monitor block?

1818

How can you count the number of rows from a table tab?

1055

What is the utilization of copybook in cobol?

1129

What is adabas?

951

What parameters are used to control the free space in DB2?

1021

How to code the db2 queries using rexx, and also plz send some link and examples using db2 queries?

877

Differentiate between ci split and ca split?

951

Explain the difference between lds and esds?

992

Explain the function done by data manager?

1232

What is phantom read in db2?

1090

How to define a vsam file in cics getting into cics to define a vsam file.

1093

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