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

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CLIST (6)
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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1168

Discuss about db2 bind?

1162

List out the data types available.

1206

Define sqlca.

1174

Explain packages.

1177

Mention the definition of cobol in varchar field.

1319

Explain the function done by data manager?

1338

Define buffer pool.

1104

Outputs of explain are with matchcols = 0. What does this signify?

1115

Explain in detail about buffer manager and its functionalities?

1147

Mention the various locks that are available in db2.

1090

Explain about dbrm.

1111

Can I redefine an x(200) field with a field of x(100) ?

1286

What is comp-1?

1014

How many bytes will a s9(8) comp field occupy ?

1191

Un-Answered Questions { IBM MainFrame }

Can there be more than one cursor open for any program?

1228

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

1463

What is a junction record in idms?

998

What is the difference between nvl and coalesce?

1112

What is catelog procedure and how many catelog procedure to use in one job?

8806

What is data trace system 2.0 used for?

5708

Have you used comp and comp-3 in your project? And how?

2527

How can you submit a job through cobol program?

1593

Explain what happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1025

What is the difference between Structured COBOL Programming and Object Oriented COBOL programming?

1185

INREC AND OUTREC? HOW TO SPLIT 5K RECORDS TO DIFFERENT FILES IN A FILE IN COBOL? RESTART IN COBOL-DB2? ISOLATION LEVELS?

924

How do you eliminate duplicate values in db2?

1272

What do you mean by rollback?

1040

What is the difference between PIC 9.99 and 9v99 in COBOL?

1406

Is the primary key a clustered index?

1206

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