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 a DB2 plan?

8 45434

How to define the data items to receive the fetch items for the SQL?

2 5957

What is a page?

2 5118

What is the physical storage length of each of the following DB2 data types: DATE, TIME, TIMESTAMP?

CTS,

1 10197

What is a collection?

3 6948

What does the CHECK Utility do ?

1 5663

Where could you look if you had a question about whether a column has been defined as an index?

2 5972

What are the various locking levels available?

3 6788

If I have a view which is a join of two or more tables, can this view be updatable?

3 7460

What are the 4 environments which can access DB2 ?

2 7100

What is the picture clause of the null indicator variable?

6 19286

What will the FREE command do to a plan?

2 5862

What is a DB2 bind?

Logica CMG,

1 7315

What information can you find in SYSIBM.SYSLINKS table?

TCS,

1 9313

What is the difference between IN subselects and EXISTS subselect?

HCL, PreVator, TCS,

1 11113

Un-Answered Questions { MainFrame }

List down the types of triggers in the db2 database?

1040

how to access data in control blocks such as jobname?

968

What does the 'ceci:cics' transactions do?

1112

Matching Logic in Jcl not in cobol.Could any one please answer this question

4166

what is the necessary keyword needed to scroll subfile records?

1169

Explain how to find occurrence of mu and pe fields in a file?

941

does anybody know about niit technologies ? how is that company ? any body working in that company ? please answer my question.I got selected in NIIT Technologies delhi.

3022

What is a cics task?

1072

what are the common errors that occured while programming in AS/400?

1541

What will happen if both steplib and joblib are determined?

921

What is the purpose of the chain and setll and setgt?

1048

What is a scope terminator give example?

1125

Is the primary key a clustered index?

1161

A join logical file has how many record formats?

1129

what do you mean by a vsam slot?

1012

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