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

have in 100 records in a file i want to move only matched records to one output_file1 and nonmathed records are moved to another output_file2 ... any one can provide logic code

3 9996

01 A. 10 B pic X(10). move spaces to A. move spaces to B. output in A & B

Perot Systems,

2 6240

how to unload different table data into different gdg files/ vsam files.

3 10080

I have a file it contain 10 records.i got abend at 8th record because of soc7.how do you know that perticular record got abend?

IBM,

3 11991

Difference b/w Error and abend in COBOL

HP,

2 6700

In JCL..for TIME Parameter was specified both JOB & STEP..which one is overrides

Satyam,

6 18815

looking at the basic definition of VSAM file how to recognize whether it is a KSDS OR RRDS OR ESDS ?

IBM, Infosys,

2 10339

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2509

i have job card like this //job ***** //step1 exec pgm=iebgener //sysut1 dd dsn=main.sss,disp=shr // dd dsn=main1.sss,disp=shr // dd dsn=main2.sss,disp=shr //sysut2 dd dsn=out1.mmm ,disp=(new,catlg,delete) dcb=( ) // sysin dd * like this what i have to do to skip dsn=main1.sss please giveme answer asap

IBM, TetraSoft,

2 7634

What is 66 level number and where it is used in real time by software developers?

ITC Indian Tobacco Company, TCS,

2 8454

If a job has 3 steps and step 1 and step 3 should get executed and step 2 should not get executed irrespective of the return code from the previous steps. How can it be done?

TCS,

5 11541

If i got a job on mainframe technology, will i have a bright future?. Some people are discouraging me. Let me know, is it true? Please bring back me from the confusion.

2 6191

How much salary you are expecting? If they ask in an interview, what we have to tell?

Tech Mahindra, Wipro,

6 18510

10. Why mainframe testing is so important? Give any three advantages of Mainframe Testing?

3559

At what stage, operator can change the class and priority of a submitted job?

2 5703

Un-Answered Questions { IBM MainFrame }

What is the advantages of using IDMS compared to other database systems?

1387

What is the function of the dd dcb keyword?

1334

How many types of evaluate statements are available?

988

Can you define cics task?

1106

what is the facility that allows mainframes to be partitioned into lapars? A.z/os b.pr/sm c.vitual storaged.coupling facility

1195

Where can you declare a cursor in a cobol-db2 program?

1070

Explain the advantage of dynamic generation of acb?

3196

Explain the function of //cntl statement?

1160

What is a plan and package in db2?

1094

How do I change the column size in db2?

1151

What are sqlcodes –803,-805, -811, -818,-904,-911,-913,-101, +100?

1183

Explain about record currency?

846

List out the buffer pools in db2

1072

What is db2 catalog database?

1037

What is the common systems area?

1053

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