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

My cobol program(not having any sql statements) is calling another cobol program ( having sql statements), what is needed for compilation and run in jcls .

Cap Gemini, RBS,

3 12825

Can we able to find all the Table names under a Particular Plan?

CTS,

1 6654

what is CCID in endevor, what it is its role?

CTS,

5 38674

1. what if null values retrived from database and no null indicator mentioned in query. What is sql code.

Cap Gemini,

1 8471

what is differnece between DROP TABLE & DELETE TABLE .

Cap Gemini,

4 11481

What if we fail to give values in columns declared as NOT NULL ?

Cap Gemini,

3 9916

What if , we failed to mentioed null indicator in sql select query , that may retrieve null value ?

Cap Gemini,

2 9282

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length

IBM, Wipro,

2 16638

what is the purpose of using link ?

Kanbay,

5 8372

What if we try to insert the base table through updatable view , but failed to give a column value which is defined as NOT NULL.

Cap Gemini,

1 6629

What value the host varible will contain , if null indicator value is -2 ? Will it contain the truncated value or nothing will move ?

Cap Gemini,

3 12845

What is the output of the following command given in TSO/ISPF terminal? SRCHFOR 'abc' SRCHFORC 'xyz', (+5)

CTS, IBM,

2 12968

What are the sub parameters for UNDO command? How does it work?

CTS, IBM,

2 9335

If A>B next sentence end-if display 1 display 2. display 3. If a>b, it will display only 3.(the next sentence, ie., after fullstop/period) ____________________________________ if a>b continue end-if display 1 display 2. display 3. If a>b, it Will display 1 2 3 (the next statement) ____________________________________ if a>b continue display 1 end-if display 2 display 3. display 4. If a>b, Will it display 2 3 4 (or) 1 2 3 4 ?

UST,

8 11863

Sending data is aplhabetic size 7 (value 3000), I wantated this value to be stored in database, which is defined as s9(7)v9(2)comp-3.

2 6120

Un-Answered Questions { IBM MainFrame }

What is query_cache_limit?

971

What does a deadlock mean in DB2?

1169

what is the size of the address space in kbs for 16 bit address space?

1109

is it compulsory commitment control in journal?

2478

What parameters are used to control the free space in DB2?

1057

What is an instance in db2?

1035

Tell about the ams used in vsam?

1178

Can you delete vsam files with the delete option of the disposition parameter of jcl?

1114

What is defragmentation?

1109

What is database manager in db2?

1023

Define gdg?

990

On which levels locks can be applied?

1133

What are fset, frset?

1014

What is inspect?

1013

What is the use of access method services in vsam?

1060

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