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,

1115

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

IBM,

1066

what is the meaning of ssrange and nossrange?

IBM,

1067

how do we describe static call and dynamic call?

IBM,

1076

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,

1032

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

IBM,

1587

which is more efficient, level 77 or 01?

IBM,

1107

what sorting order does search all have?

IBM,

1072

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

IBM,

1103

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

IBM,

1144

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,

1075

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

IBM,

1147

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

IBM,

1237

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,

1123

define the field with ic in the bms map.

IBM,

1185

Un-Answered Questions { IBM MainFrame }

Explain the three location modes?

965

Explain referential integrity?

1165

Explain what is the massinsert option?

1114

System Testing for Mainframe Developers What is System Testing? integration testing ? what's the procedure ..

2147

What are the functions available in rexx?

1003

What are the types of the dfhmdf present in the cics?

1044

What is eib?

1250

How do we pass parameters into a CICS –DB2 program

4208

What is cobol coding sheet?

1306

What is currency in idms?

1020

Define the term mro (multi region operation)?

1183

what are the parameter we cannot use in procedure? How many instream we can write in single jcl? Can we call instream to catalog and catalog to instream?

1117

What is jcl in mainframe?

1269

Explain dd statement in jcl?

1187

In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

1523

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