MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

after udatingg first 110 rows, my job abends. now how do i change my cobol program so that when i restart the Job it will start updating from 111th row ( i.e in next run I di=ont want to update those 110 rows which are already been updated in the first run before job abend)

Allianz, Wipro,

7 26933

I have a DB2 table which has 1000 rows.after udatingg first 110 rows, my job abends. Now what I have to do if I want to restart the job next time so that it should start updating from 111th row (without updating first 110 rows again).

Cap Gemini, Wipro,

10 58465

what is the default region size if I dont specify region parametre in my job card ( I know that if I specify region=0k or 0M, then the job will occupy all he available resources at the time of job execution), but I want to know the defult value for "region" paramatre.

BirlaSoft, Infosys,

5 23159

Determine the total no of bytes in the following. 01 rec1. 02 a pic x(6) 02 b redefines a. 03 c occus 6 times pic 9. 02 d occurs 6 times pic 9. 03 e pic x(5) 03 f pic 999.

12 18614

what is the probability of a complete system distortion under high end low performing multiprocessor job?

SunGard,

2474

WORKING-STORAGE SECTION. 01 VAR1 COMP-2 VALUE 0. PROCEDURE DIVISION. MOVE 10.2115 TO VAR1. DISPLAY 'VAR1 =' VAR1. GOBACK. 10.2115 is stored as .10211499999999996E 02 in OS VS Cobol 10.2115 is stored as .10211500000000000E 02 in ecobol. Any reason why?

TCS,

3 9555

HAI I HAVE FINISHED MAINFRAME TRAINING.IM B.E 2006 PASSED OUT FRESHER.IF U HAVE ANY OPENINGS FOR MAINFRAME FRESHERES PLEASE CONTACT MY EMAIL ID MY ID IS sankari_hema2005@yahoo.com

3 5865

Can I copy the FB (fixed Block) record length file to a VB (variable Block)record length file and Vise Versa? If Yes then how ? is that thru one of the JCL utility ?

3 43619

DLI Vs BMP

CTS, IBM,

13 62078

Static & Dynamic PSB

IBM,

2 11547

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 9041

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

TCS,

2 8609

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

3 8488

which generation language is cobol

Kanbay,

4 11476

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

2 9216

Un-Answered Questions { MainFrame }

what does defn do?

1092

What is the job entry system used in your project? based on what criteria the sequence of jobs are picked if priority is not mentioned in the job card?

2296

How to Clear a Query Using the RESET Command ?

1733

How to write record if no field or the field are different in physical file in rpgle ?

969

is there any other way to install s/w in mainframe apart from smp/e system?

2633

Can you explain cics translator?

1044

Explain the difference between tsq and tdq

997

List in order the hierarchical levels of jcl?

1114

how can I predict the performance of my cgis?

1108

how can you detect and handle a record lock situation?

1992

What is program status data structure(psds) in as400?

1089

What is Framework & How it work?

2130

What is drop table?

1020

Why we are not able to perform insert delete and update operation in Join logical file?

1470

What does db2 mean?

1022

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