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,

1162

Ap wkur,=p5 where wkur is a label?

IBM,

1209

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,

1181

how to initialize a register to 0000?

IBM,

1218

What is a Foreign Key?

Tavant Technologies, Zensar,

1150

what is a corelated subquerry?

IBM,

1178

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

IBM,

1230

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

IBM,

1361

B37 abend during spufi?

IBM,

1515

What is the maximum No of rows per page?

IBM,

1126

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,

1117

how could you write a program in a structured format?

IBM,

1061

what is the role of the is numeric clause?

IBM,

1155

A word in the computer memory is identified by_________

IBM,

1069

what is the meaning of notcat 2?

IBM,

1190

Un-Answered Questions { IBM MainFrame }

What is the purpose of control intervals in vsam?

1058

Can min or max be used with alphanumeric data?

1038

Name the various types of tables spaces.

1183

What is psbgen process?

1213

what is the purpose of the verify function of idcams?

1108

How errors are handled in CICS programs?

1177

What is the LINKAGE SECTION used in COBOL?

1608

how to convert the recors form vsam file to db2 table tru file aid

3320

So manual and automatic are the connect options for a set. What are the disconnect options?

887

List the type of locks?

988

What is data manager?

1118

What is package in cobol db2?

1169

What are the 4 fields in dd statement?

1339

What is the difference between lds and esds?

1115

Why is master catalog used in vsam?

1191

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