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 can u pass the values into db2 values from cobol ?

CTS,

3 12006

wht are the restrictions for union ?

CTS,

2 6814

where can we use index and subscript ? with example ?

CTS,

3 11159

i want to delete 20th million record how ?

IBM,

4 10960

wt is view ? wht r the restrictions for view ?

Verizon,

3 7777

how do u code a copy book in ur pgm ?

IBM,

1 3864

how can u nderstand the sql stmts executed successfully or not ?

TCS,

1 5971

how do u indetify files succesfully executed or not ?

TCS,

4 8794

what is internal sort and external sort ? which is preferable ?

TCS,

2 14161

wht r the advantages of 77 level number ?

TCS,

8 14511

how do u debug without using xpeditor ?

TCS,

1 6079

what is call by value and call by reference ?

Infosys, ITC Indian Tobacco Company,

3 14412

i want to restart frm step 2, previously i coded cond parameter on step2 wht happens at tht time ?

Infosys,

4 10335

how to u check the query is executing or not ?where will u check for sqlcode ?

Infosys,

6 12779

wht is the use of evalute verb ? how do u declare recfm in cobol and jcl ?

EDS,

2 8830

Un-Answered Questions { IBM MainFrame }

What are the uses of db2 optimizer?

1294

What's The Error Code For Unique Index Voilation?

1233

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2385

can oorexx run normal rexx programs?

1000

Explain the difference between a symbolic map and physical map?

1030

Mention one alternative aspect of CICS?

1070

How many types of page locks can be held in db2?

1038

What are the types of record locks and how are they set?

1596

How can you do the explain of a dynamic sql statement?

1069

How do you define a variable of comp-1 and comp-2?

1199

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17878

When reorg is used?

1124

Explain psbgen process?

1186

Mainframes gets a text file that contains the name of the file. Now using JCL i want to locate that file name in the mainframe system and perform further processing. Please tell how to proceed

2559

What is the function of rollback in idms?

902

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