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MainFrame Interview Questions
Questions Answers Views Company eMail

which SQL comment successfully removes uncommitted changes from a DB2 database A) rollback B) delete C) drop D) decommit

Accenture, Wipro,

2 11463

how do we do unit testing in mainfrmae. explain step-wise.

IBM, JBK,

2 15112

Can we use redefine clause in occurs clause?

 10 21881

What is the difference between write & move in COBOL?

CSC, HHB,

3 13166

What is the meaning of 'TALLING' verb in cobol?

 5 14746

What is the meaning of 'Eject' verb in cobol?

TCS, Wipro,

2 27523

How can we pass data from cobol to JCl?

ADP, Amdocs, IBM,

7 45124

How include time & date in the report generation in cobol programing?

 2 10266

How does IDMS communicate with CICS?

Covansys, Satyam,

1 5043

What are the pertinent COBOL commands?

Satyam,

2617

What is the difference between a binary search and a sequential search?

 10 44261

How can you pass values from COBOL program to non-COBOL programs?

 2 6567

How does IDMS insure data integrity?

 1 3959

What are the functions like c or c++ in cobol?

2 5988

What is difference between comp & comp-4?

6 20141

Un-Answered Questions { MainFrame }

in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from

1669

Is it slower if you access a record through alt index as compared to primary index?

589

What are the two types of fields available in ims db?

556

What is meant by idd in idms?

471

how can you check for a records existence without causing and i/o (chain/read)?

1285




What is release/acquire in bind?

645

Explain what you understand by passing by value.

685

What does the keyranges parameter in define cluster commends do?

497

How IBM framework work?

1769

List some fields from sqlca?

607

Write a program that uses move corresponding.

665

Explain how to convert 2010/02/11 to m/dd/yyy.. With string and without string if any other method... Code?

639

Explain the three location modes?

497

Name the command which is used to release a record on which exclusive control is gained?

565

Why do we need reorg in db2?

556

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