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 Query By Example (QBE) ?

1 3446

How the interaction between DB2, SQL, and QMF takes place?

1664

What is the use of ERROR Log ?

1 3105

How to run a query using Run Query?

1 2575

How to view the Results of a Query?

1 2538

How to Clear a Query Using the RESET Command ?

1733

How to Provide Column Names Using the DRAW Command ?

1538

How to Save a Query?

1598

What are Naming Conventions in QMF?

1838

What are Naming Standards in QMF?

1695

How many Query Options are there?

1 2592

What is the purpose of RUN Command?

1 2711

How to Add Comments to a SQL Query?

1 2648

How to Display the Names of Your Saved Queries?

1 2798

How to Erase a Query?

1 2526

Un-Answered Questions { IBM MainFrame }

name the utility program closely associated with vsam?

1060

What does a disposition of (new,catlg,keep) for a dsn mean?

1160

Explain delete-connected tables?

1035

How do I import data from excel to db2?

1078

what is JCL?

1170

Can you use max on a char column?

1101

Can you use occurs in bms map?

1072

Suppose I have five jobs to do. But I want to hold one?

1131

What information does a dbd contain?

1038

what is use of dsn parameter in dd statement?

1168

how can the same proc be re-used and called by many jobs?

1513

Define a junction record in idms?

849

What do you mean by hierarchical database?

1211

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1168

What is the use of qsam?

832

For More Un-Answered { IBM MainFrame } Questions Click Here