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,

1139

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,

1121

how to initialize a register to 0000?

IBM,

1143

What is a Foreign Key?

Tavant Technologies, Zensar,

1095

what is a corelated subquerry?

IBM,

1122

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

IBM,

1166

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

IBM,

1279

B37 abend during spufi?

IBM,

1455

What is the maximum No of rows per page?

IBM,

1065

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,

1036

how could you write a program in a structured format?

IBM,

992

what is the role of the is numeric clause?

IBM,

1090

A word in the computer memory is identified by_________

IBM,

992

what is the meaning of notcat 2?

IBM,

1122

Un-Answered Questions { IBM MainFrame }

What is db2 stogroup?

1156

What is the difference between cursor stability and repeatable read isolation levels?

1171

Which component is responsible for processing sql statements and selecting access paths?

1127

explain in brief how you can create a vsam file?

1133

What are the various section in data division and briefly explain them.

1176

Can you explain dfheiblk?

1090

What do you mean by monitor block?

1855

How is deadlock resolved?

1146

how do you reference the variable unblock file formats from cobol programs

1328

Explain the difference between various read and find statement and which one should be used when for better adabas performance?

989

What is the syntax for FETCH in DB2 ?

1208

What is lock escalation in db2?

1029

cics command level is?

1183

Explain the function done by data manager?

1276

What is the difference between structured cobol programming and object alternativelyiented cobol programming?

1239

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