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 3437

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

1655

What is the use of ERROR Log ?

1 3095

How to run a query using Run Query?

1 2564

How to view the Results of a Query?

1 2536

How to Clear a Query Using the RESET Command ?

1728

How to Provide Column Names Using the DRAW Command ?

1535

How to Save a Query?

1592

What are Naming Conventions in QMF?

1824

What are Naming Standards in QMF?

1690

How many Query Options are there?

1 2584

What is the purpose of RUN Command?

1 2702

How to Add Comments to a SQL Query?

1 2640

How to Display the Names of Your Saved Queries?

1 2793

How to Erase a Query?

1 2519

Un-Answered Questions { IBM MainFrame }

What is the difference between PIC 9.99 and 9v99 in COBOL?

1334

What is inspect and what is it used for?

979

Explain what is a cursor in cics sql processing?

1037

How do we get current date from system with century in COBOL?

1381

What is comp-1?

960

What is node in db2?

1044

When the job statement is used?

975

Define buffer pool.

1059

How is data passed from a calling program to an assembler called program?

1071

Describe the benefits of drda?

962

What is the maximum No of rows per page?

1069

when can a job time-out occur? How to overcome that?

1293

What is the function of a dd statement?

1209

What are the common cics service programs and explain their usage?

1032

how to define a directory and what is the structure and definition for the same?

1063

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