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

how to edit a tape dataset ? asked in wipro

Wipro,

1 6994

How do we specify index to include or not during bind process.

Satyam,

2126

How to test SQL -911 error while developing COB-DB2 program

Satyam,

1 7567

How does -818 sql error occur? Why does it happen and what can be done to overcome this error code?

RBS,

5 13645

How different is the JCL executing a COBOL program? 1) if the program is using VB file as input. 2) if the program is using FB file as input.

HSBC,

1 6978

How can you execute a COBOL program via SYSIN in JCL?

1 6793

can a job be submitted through jcl only? is there another way to submit a job?

CSC,

2 8615

how we sort two input files based on a common column and giving one o/p file please send me the coding logic?

Valtech,

2133

how we separate the cobol cics statements from cobol&cics programming?

Valtech,

1 5295

what is meant by jobtrac?

CSC,

4 17056

can we maintain 2 generations with different Lengths in Same GDG ?

RBS,

3 25784

diff bw SB37,SD37,SE37 ?( bcz these 3 belongs Space related abends only)

RBS,

4 11587

What is tne need to use sub programs in Cobol?

HSBC,

3 9548

What are the situations u have used in ur project for Subcript and Index ? 1.if u use Subscript why not Index,why u choose Subscript only? 2.if u use Index why not Subscript,what abt Displacement?

Cap Gemini,

2 9236

when GDG version number get changed ? bcz always Generations only increasing.

Cap Gemini,

1 7336

Un-Answered Questions { MainFrame }

Highlight the points of differences between XCTL and START?

1236

list some of the commonly used commands for debugging?

1630

what is need of start 0? In steed of

1092

what is uni-rexx?

988

What is the function of iebgener?

1053

Define the necessity of run stats among the environment test?

986

Define a junction record in idms?

840

what is the meaning of notcat 2?

1127

What is coalesce in db2?

1136

How to handle duplicate error handling in RPG?

2311

define what a data queue is along with a brief example of what it may be used for?

1813

What are the types of identifiers?

1020

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1300

what happens when sflsiz = sflpag? What are the advantages and disadvantages?

1193

How you can read the file from bottom?

1158

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