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

Can we open close file in COBOL any number of times?

Kanbay,

2 14368

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

Kanbay,

5 16440

What is maximum length of block size?

Cap Gemini, Kanbay, TCS,

5 23508

Can we use empty VSAM as input?

Convergys, Kanbay,

9 27181

01 A PIC 9. 01 B PIC 99V1. 01 C PIC 99. MOVE 1 TO A. MOVE 0.2 TO B. COMPUTE C ROUNDED TO 3/3 + A.

2 6988

What is the use of TRT instruction and how it is working?

HCL, IBM, Wipro,

7 34368

What is GDG and what is the maximum limit of versions that can be created?

Convergys,

9 49287

What is the use of the utility DFSRRC00 in the JCL?

Convergys,

2 38586

If there are five steps in a JCL i have to execute the 3rd step, bypass the 4th step and execute the 5th step how do i do this?

Cognizant, Convergys, IBM, TCS, Wipro,

13 73251

What is the use of DUMMY statement in the JCL? What is the use of DUMMY Utility in the JCL?

Convergys,

12 70245

what is the difference between the JCLLIB and JOBLIB ,and where do we use it ?

Convergys,

3 20046

Given a input file with duplicates how to remove the duplicate records from the file using JCL?

CDS, Convergys, TCS,

6 31970

What is the difference between START and XCTL? How do you determine when to use either option?

2 16911

how can we establish a link between two maps using a cobol application program....lets say how can u use 'back' in a map ..to come back on previous .

Attra Infotech,

5 16168

In the RECON, what always sets the IC NEEDED flag on for a registered DB?

3 7412

Un-Answered Questions { MainFrame }

What is afoper?

875

What is the function of job statement in jcl?

1099

can we view the access paths created by dbrm ? how ? thx

7107

I HAVE 500 ROW TO UPDATE I WOULD LIKE TO USE ROLLBACK ALONG WITH COMMIT.WHAT IS THE SYNTAX TO CODE COMMIT AND ROLLBACK FOR EVERY 100 ROWS.AND HOW THE CURSOR ROLLBACK TO THE LAST COMMITTING POINT.

3219

How do you check object lock

837

how does the rpg element work?

1238

Explain referential integrity?

1111

what is search and searchall?what is the diffrence between them?give an best example?

6841

How can I try out PL/I?

1519

In sms datasets, what is the function of the dd mgmtclas keyword?

1390

Hi Viewers can any body explain me how to update and ahange the already existed data in physical file using subfile ? please explain me with the code if possible?

5147

How to pass the parameters from jcl to assembler program?

1004

What are the key features of adabas database system?

1003

What are the common cics service programs and explain their usage?

1038

Explain how to produce soc7 abend?

1074

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