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

Explain what a plan is?

CTS,

3 8754

What is a synonym ?

2 5618

What are the four lockable units for DB2?

1 6267

In a DB2-CICS program which is acts as co-ordinator and which is participant?

IBM,

1 5398

Describe what a storage group(STOGROUP) is?

2 10337

What is SPUFI?

4 17409

What is the difference between SYNONYM and ALIAS?

TCS,

6 28936

What is a data page?

1 4565

What is a subselect? Is it different from a nested select?

1 7842

When Can you be sure that a query will return only one row?

IBM,

4 8643

What is the SQL Communications Area and what are some of its key fields?

1 5500

How do you leave the cursor open after issuing a COMMIT? (for DB2 2.3 or above only)

2 9593

How many buffer pools are available in db2?

2 7212

What is the size of a data page?

IBM,

2 5852

What is the difference between CS and RR isolation levels?

1 8553

Un-Answered Questions { IBM MainFrame }

What is the meaning of Copy IDMS Subschema-Binds?

1682

Define the necessity of run stats among the environment test?

977

What is the idd in idms?

1046

State the various causes of s0c1, s0c5 and s0c7.

1076

Explain the difference between exec cics handle condtion and an exec cics ignore command?

1034

Is it possible to create an Instance in DB2 using DB2 Control Center ?

1099

what is the meaning of notcat 2?

1121

What is the difference between perform … with test after and perform … with test before?

1437

Explain the advantages of adabas?

992

How can we debug cobol pgm containig idms using xpeditor?

1505

At what point are extension eliminators mandatory?

1001

How do you concatenate the firstname and lastname from emp table to give a complete name?

1072

Why did you choose to work with ibm mainframe cobol programming?

1094

how long does the install of oorexx take?

1001

what is difference between file-aid tool and file-aid utility?

1493

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