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

DLI Vs BMP

CTS, IBM,

13 62093

Static & Dynamic PSB

IBM,

2 11551

The first VSAM file V1 has 2 fields A and B . There is a DB2 file which has fields E and f. We need the fields A, B , E and F to another VSAM file called V2. Kindly mention the logic in procedure division in cobol..

Cap Gemini,

2 9045

What all are the changes to be made in JCL so as to do testing?

TCS,

2 8612

How is manual testing done in MF environment? what all are the steps to follow?

3 8494

which generation language is cobol

Kanbay,

4 11477

can we use full outer join with cursors declared in cobol program?

2 9220

hi is there any means of deletin a record from a ps usin cobol not using jcl?eg if i am reading a record and if some condition is matched tat particular record must be deletd fom the ps

iNautix,

5 15898

hai friends ,i have HSBc exam on this sunday,my platform is Mainframe,i have 1 year exp,pls any one send me placement papers of Hsbc and technical questions on mainframe

Citi Bank, CitiGroup, HSBC, iNautix, Wipro,

6 24243

hello friends ,i have exam in Hsbc,pls any on send me placement papers and technical questions on mainframes,thank u

HF, iNautix,

2149

Do we have any optinon to search part of integer in DB2 as we have for character Like,SUBSTR optins?

1 9125

Can I concatenate various datasets whose organization are different from each other. Lets say I want to cancatenate a PDS file, a PS file, a GDG file etc. Can You do that ?? If yes, how ? is there any separate Utility to do so ???

4 12825

Can we delete the data using IEFBR14 , IEBGENER??

Kanbay,

5 32948

When we give TYPERUN = SCAN , what are the syntax errors we get?

Kanbay,

5 16449

What is maximum length of block size?

Cap Gemini, Kanbay, TCS,

5 23511

Un-Answered Questions { IBM MainFrame }

What is the function of rollback in idms?

917

What is ims (db/dc)?

1056

What is the difference between pct and fct?

1233

How would you find out the total number of rows in a db2 table?

1057

How is deadlock resolved?

1152

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?

2094

Why adabas is used?

949

What are the error (ONCODES) codes did you encounter in PL/1 programme?

2924

What is the mainframe testing?

992

Can you define commarea?

989

What is the function of commit in idms?

875

What is the common systems area?

1071

What is mainframe testing?

1116

Name the various locking levels available?

1101

Explain the difference between a physical bms mapset and a logical bms mapset?

1002

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