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 need of start 0? In steed of

IBM,

1092

Ap wkur,=p5 where wkur is a label?

IBM,

1152

how do you round the addition or subtraction of two numbers in assembler? what does the following code do? change process tool(code changes from dev to prd) the changes made to your code should be effected in live. How the process takes place. That is how can you move the code changes from development to production?

IBM,

1123

how to initialize a register to 0000?

IBM,

1161

What is a Foreign Key?

Tavant Technologies, Zensar,

1099

what is a corelated subquerry?

IBM,

1122

can all users have the privilage to use the sql statement select * (dml)?

IBM,

1173

What is the maximum number of columns in a db2 table?

IBM,

1285

B37 abend during spufi?

IBM,

1455

What is the maximum No of rows per page?

IBM,

1069

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?

IBM,

1053

how could you write a program in a structured format?

IBM,

996

what is the role of the is numeric clause?

IBM,

1095

A word in the computer memory is identified by_________

IBM,

1004

what is the meaning of notcat 2?

IBM,

1127

Un-Answered Questions { IBM MainFrame }

Explain the thress bms options?

1016

What is explain plan in db2?

999

What is universal database?

1072

Why is free space left in ksds dataset?

1139

What is the function of //cntl statement?

1336

Can you define aica abend?

1158

What is the use of runstats in db2?

1112

What is the syntax of JCL statement?

1236

State the differences between vsam and non-vsam files?

1055

Explain the difference between a physical bms mapset and a logical bms mapset?

999

How to find or access the current level of a gdg?

839

What is the function of the dd dcb keyword?

1342

define the field with ic in the bms map.

1130

Please send me the real time scenarios in Mainframe Project... i.e., it may be in banking or insurance sector or any other no problem..... please send your mails to krishnaprasadbvs@gmail.com

11750

What are the classifications of the cics program?

1262

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