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 is the meaning, the advantages and which are the types of evaluate statement?

IBM,

1049

can we describe the results of opening for input empty vsam files in a cobol program?

IBM,

1011

what is the meaning of ssrange and nossrange?

IBM,

995

how do we describe static call and dynamic call?

IBM,

1009

suppose I have two tables a and b. Both tables are connected with ssn number as foreign key. I want to retrieve a column data from b table. How will you write a query?

IBM,

963

what is difference between file-aid tool and file-aid utility?

IBM,

1493

which is more efficient, level 77 or 01?

IBM,

1037

what sorting order does search all have?

IBM,

1008

what is the right time for using in-line perform?

IBM,

1043

execution of a subordinate module is caused by the use of the cobol verbs ------------in the superior module

IBM,

1073

suppose oza017.myorg.emp has 100 records ,oza018.myorg.staff has 200 records but 50 are the common records in both files copy all the common records into oza017.myorg.xyz dataset?

IBM,

1002

how can you prevent more than one user from accessing the same transient data queue?

IBM,

1085

list the sequence of steps used to achieve modiication in skip sequential mode?

IBM,

1185

what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

IBM,

1060

define the field with ic in the bms map.

IBM,

1121

Un-Answered Questions { IBM MainFrame }

My Question is 1. How to cound no. of records in JCL. Please explain with an example. 2. How to execute only odd steps in JCL? I know EDIT TYPE = Inculde, Step Name = 1,3,5 and COND code for all even step. Anyone knows other than this.

2464

Comment whether dclgen is mandatorily used. If not, then what is the point of using it?

1055

What is the difference between read work file 1 and read work file once? Why we are using work file once?

961

What are the 2 types of parameters in dd statement?

1154

Explain the difference between external subroutine and subprogram?

1221

What kind of error is trapped by on size error option?

1230

a dd statement has 2 types of parameters. Name them?

1132

Name a few CICS programs which are generally used ?

1044

What is db2 command?

1031

how to handle -911 (deadlock) error in a db2 program so that the program will never abend?

1025

What is redefines clause in COBOL?

1290

Which statement is used to identify the private libraries in job?

1185

Define base cluster?

1003

can any one exaplin about Decision Tables in test region with good example

2779

which utility is used to sort a file in jcl?

1214

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