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 much memory does variable of 6 decimal (15, 2) take in PL/1?

IBM,

1 3188

How do you get parameter from JCL to PL1?

IBM,

2435

How do you pass some input from JCL to PL1?

IBM,

2 17959

How do you pass pointer PL/1 main procedure to sub procedure?

IBM,

1 7156

What is controlled keyword in PL/1?

IBM,

1 4233

How do you write from PL/1 code to JCL?

IBM,

2287

If DB2 query returns in null value, how do you work with it in PL/1?

IBM,

2364

What are the different types of string function in PL/1?

IBM,

1 14638

What is the difference between Verify & Index in PL/1?

IBM,

2 46457

How do you use sub-string as a Pseudo-variable in PL/1? How can we use the variables?

IBM,

1 9015

What are the different types of PL/1 files?

IBM,

2174

How do you handle exceptions PL/1?

IBM,

1 7472

How many minimum number of line codes does PL/1 DB2 program requires?

IBM, TelePerformance,

2985

If an array is multi-dimensional dynamic array how do you deal with it & provide me some examples?

CTS, IBM,

2452

What are the error (ONCODES) codes did you encounter in PL/1 programme?

IBM,

2917

Un-Answered Questions { IBM MainFrame }

What is the function of logging in the db2 database?

1123

What is buffer pool and list some of them?

1028

Outputs of explain are with matchcols = 0. What does this signify?

1060

What is the term “where” for?

1007

B37 abend during spufi?

1455

what is the compile process of cobol program expalin with code

2586

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

1079

What is the physical storage length of date data type?

1254

How to rename a table in DB2 ?

1088

What are the mainframe computing pros and cons?

1116

How does coalesce work?

1026

How connect db2 database to datastage?

1244

Define an aica abend?

1111

What is the pic clause for the hhmmss type of data fields?

943

Does qtp tool support mainframe application testing?

1090

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