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

how to display the negative numbers?

2330

suppose program A is calling program B, at a time A will send 100 records but it has to send 500 records. how it will possible?

2083

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2058

01 MOVE 10 TO N 05 PERFOM PARA1 TIMES STOP RUN WAT WILL HAPPEN?? WILL IT RUN INFINITELY OR AN ERROR WIL BE THER BECAUSE NO OF TIMES IS NOT GIVEN??

1 5165

If a gdg contains 20 versions .. how to copy those versions ps?

IBM,

2 19069

HOW to change the coloumns in XREF?

2001

can you change the attribute in mapset? if so how?

2129

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2116

When you are working with the project.. once your coding is over what will u do? where u r maintaining your CR(change request) what is the format what are the documents u need to prepare while testing?

1996

How will u give input data to cobol program apart from PARM & Instream data?

6 15110

RENAME clause takes new SPACE in memory.TRUE or FALSE? a)TRUE 2)FALSE

TCS,

12 18914

level number 77 is used to define a)group data b)elementary data c)redefine d)none

TCS,

8 12286

How to read a record from bottom of a file which is indexed by 'A'.

Oracle,

4 9379

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23634

If JOBA is in MSGW due to data decimal error and DUMP is generated and I found that Decimal field formatted with some special char which is coming from Input file amd file has millions of records. How I can find out on which record the error is occur. Please share your experience.....

2146

Un-Answered Questions { IBM MainFrame }

What is a configuration management system, give examples?

1018

What is commarea (communications area)?

1004

IF I mention stop run in CICS what happens?

2371

What is a set in idms?

832

what is the meaning of dynamic processing in vsam?

1041

Explain how DSECT parameter is used in BMS ?

1201

What is currency in idms?

961

What is task control?

1158

Can you define attribute byte?

1023

DB2 can implement a join in three ways using a merge join, a nested join or a hybrid join. Explain the differences?

2840

What is comp-1 and comp-2?

1228

How to find primary key of a table in db2?

1060

How do you find the maximum value in a column in db2?

1100

What is drop table?

1005

Define an aica abend?

1102

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