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

where we can declare the files in fct and pct and ppt and rct pls give clear structure

IBM,

1 8521

abt ssa.purpose of ssa

IBM,

3 8595

If i have updated few fields of Adabas file using UPDATE command, and after that i used display to see that field get updted or not. If in Display it showing nothng or record did not get updated then what can be the possible reasons?

Satyam, TCS,

2 10951

What is the significance of DBID used in Adabs?

1 11067

i want to learn mainframes. i completed MCA ,whats the future of mainframes

5 8864

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 28028

Re: 01 NAME1 PIC X(13) VALUE "COBOL PROGRAMMING". 01 NAME2 PIC X(13). now I want to display the value of NAME1 in reverse order i.e value should be displayed as "GNIMMARGORP LOBOC" HOW can I do that ??? please let me know if any one knows it.

IBM,

2 9531

How to read records which is in sequential file in reverse order ? Exp. 1 2 3 4 5 . i want 5 4 3 2 1?please clear my doubt any one

IBM,

10 26523

What is "Call by content" and "call by reference"?

ADP, Syntel,

4 21658

How can I create 1 DDM that fetches 3 ADABAS files simultaneously?

5 13804

How are data passed from JCL parm to assembler program. And how is data passed from a calling program to an assembler called program.

HCL, IBM,

3 14572

Why can only 256 bytes be moved from one address to another in a MVC?

CSC, HCL, IBM,

6 15784

What is base register?

IBM, Infosys,

23 94459

What is house keeping in assembler? And explain the following code HELLOTSO START 0 * PRINT NOGEN BEGIN SAVE (14,12) LR 12,15 USING TYPE,12 ST 13,SAVE+4 LA 11,SAVE ST 11,8(13) LR 13,11

Mind Tree,

6 21598

How do you initialize a register to 0000?

HCL,

10 21604

Un-Answered Questions { IBM MainFrame }

In job processing, what happens in conversion stage?

1190

Name and explain the type of locks?

953

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

969

Define primary objective of cics?

1002

What is access path in db2?

981

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

1377

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

904

What is the difference between db2 and oracle?

1125

How does coalesce work?

1011

What is phantom read in db2?

1152

What is a report item?

1136

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

1192

which utility is used to run a cobol-db2 program?

1390

How is a typical db2 batch pgm executed?

1171

Explain the function of data manager.

1042

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