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 12985

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

CTS,

1 6776

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

CTS,

5 38892

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

Cap Gemini,

1 8558

what is differnece between DROP TABLE & DELETE TABLE .

Cap Gemini,

4 11659

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

Cap Gemini,

3 10051

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

Cap Gemini,

2 9404

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 16760

what is the purpose of using link ?

Kanbay,

5 8560

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 6723

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 12996

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

CTS, IBM,

2 13096

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

CTS, IBM,

2 9466

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 12137

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 6232

Un-Answered Questions { IBM MainFrame }

We have an output dataset in job with disp parameter as shr.

998

How do I delete a column in db2?

1159

What is the use of tdq and tsq?

1176

what JCL Procedures?

1310

What is the utilization of copybook in cobol?

1283

How can you classify the locks in db2?

1140

Explain the difference between physical map and symbolic map?

1038

What is blu acceleration in db2?

1134

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1275

in a cobol select statement, can you tell what is the organization for a ksds?

1164

What is the usage of comp fields in cobol?

1225

Ap wkur,=p5 where wkur is a label?

1205

What do you mean by storage group (stogroup)?

1085

What statement can be used to send data to another mvs jes3 node?

1691

is it necessary that all versions of the gdg have to be of the same record length?

1207

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