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 auditing?

2 5034

Lot of updates have been done on a table due to which indexes have gone haywire. What do you do?

2 5113

When do you specify the isolation level? How?

1 5218

What do the initials DDL and DML stand for and what is their meaning?

2 5449

What is the error code -803 ?

3 11796

What can the SET option of the Repair Utility accomplish?

1 5575

What are the levels of isolation available with DB2V4

IBM,

2 4608

Where are plans stored?

2 7138

What is a clustering index?

2 5558

What is a Resource Control Table(RCT)? Describe its characteristics.

3 13549

How is the SUBSTR keyword used in sql?

1 9342

What is an inner join, and an outer join ?

CTA,

1 12937

Where is the access path logic created by the DB2 Optimizer stored?

1 8367

What is a root page?

1 4348

What happens to the PLAN if index used by it is dropped?

1 5764

Un-Answered Questions { MainFrame }

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1223

Why do you need a secondary index in an ims?

963

what is the maximum number of subfiles that can specified in a display file ?

1791

Is it possible to obtain a record from IDMS database without mentioning the record-name itself?

1333

Differentiate between hdam and the hidam databases?

1043

what about F1 & F2 keys in xpeditor? And their functionalities?

2489

how to display the negative numbers?

2331

difference between sflrcdnbr and sflnxtchg?

1181

What is dbrm in db2 database?

1115

In the EIB block of CICS, highlight the names of few of the important fields?

1048

What is a trigger in the db2 database?

1080

What are fillers? What is the actual use of fillers? With mall/simple example?

1005

Using %check we are checking monika in mona what is output? What is %SCAN?

1671

Mention the guidelines to write a structured cobol program?

1095

What is link edit in cobol?

1195

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