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

What is the Purpose of POINTER Phrase in STRING command

3 16916

What does the INITIALIZE verb do?

1 11512

Can you call an OS VS COBOL pgm from a VS COBOL II pgm ?

Microsoft,

3 7671

When would you use in-line perform?

2 6633

How do you come out of an EVALUATE statement?

3 9057

what is the difference between external and global variables?

1 17485

What is file status 92?

3 28080

What is the difference between SEARCH and SEARCH ALL?

Cognizant,

6 14728

comp-3 field occupy?

5 9679

How is sign stored in a COMP field ?

Accenture,

3 23867

What is LENGTH in COBOL II?

CSC,

2 11211

What is the LINKAGE SECTION used for?

4 9062

What is Redefines clause?

8 21945

What are the different forms of EVALUATE statement?

IBM, Micro Labs,

2 15315

Describe the difference between subscripting and indexing ?

2 6409

Un-Answered Questions { MainFrame }

what is a query can be run in which mode?

1253

Can you define an alias?

913

What is cobol?

1196

How to Get Information About the Tables?

1620

i am using non join multiple format my 3 database file is like that pf97 R REC ENAME ETENNO ESTATUS K ENAME pf98 R REC1 ENAME ESAL K ENAME PF99 R REC3 ENAME CRDCARD EID K EID & MY NON JOIN LOGICAL FILE IS ALSO SAME EXCEPT RECORD NAMES BEFORE I TRIED WITH 2 FILES SO ITS SAYS ERROR I.E.(Key field attributes must be same as for previous formats. ) SO I CHANGED KEYFIELD ACCORDING TO PF SO ITS WORKING BUT AFTER ADDING 3 FILES ITS SAYING SAME ERROR . I DONT KNOW I NEW IN AS400 PLLZ HELP ME I HAVE ONE MORE QUE. CANT BE USE DIFFERENT KEYFIELD (NOT ACCORDING TO PF) IN NON JOIN LOGICAL FILE.

1433

When output dataset space is required, what quantity categories are used?

1301

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1103

What is the term “where” for?

953

How to pass data to a program that is coded in an exec statement?

1271

what is the maximum number of fields under a record format of physical file?

1741

the maximum number of subfiles that can defined in a rpg program for one display file is ___ .

3194

What is amode(31)

1110

When reorg is used?

1073

how do you reference the printer file formats from cobol programs

1143

How to pass the parameters from jcl to assembler program?

943

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