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

Explain the use of the WHERE clause.

IBM,

2 5470

What is index cardinality?

3 11044

How do you declare a host variable (in COBOL) for an attribute named emp-name of type VARCHAR(25) ?

IBM, Tech Mahindra,

2 12140

What are the three types of page locks that can be held?

1 4632

What is the meaning of -805 SQL return code?

3 12839

What is a base table?

2 4886

what's the best lock size that you could use when you create a tablespace?

IBM,

2 5946

How would you print the output of an SQL statement from SPUFI?

2 8860

What is the STOSPACE Utility used for?

1 6548

Where besides the DB2 catalog is database object information stored by DB2?

1 4995

What is isolation level?

4 7315

What is a predicate?

1 4803

What is ALTER ?

3 6905

What do you need to do before you do EXPLAIN?

1 5271

How do you insert a record with a nullable column?

2 6298

Un-Answered Questions { MainFrame }

Explain about different table spaces.

1121

What information does a psb contain?

1124

can error messages as a result of a comp, range or values keyword be overridden?

1932

What are the access method services used in vsam?

1045

is there any way I can ease my rpg controls on numeric input fields? How about an input date field?

1131

What does the 'cebr:cics' transactions do?

1043

Can you explain dfhmdf bms macro?

1069

how do you read changed records backward in subfile?

1112

http default port 80 is used by some other production http service. How can I create an http instance on another port to run cgidev2 and my future cgi developments?

1122

What will happen if we drop the base register in the program which contains only one basereg?

994

Explain the maximum number of pcbs allowed in a psb?

3636

In AS/400 projects in Companies whats the meaning of production support team.what production support involves.also what work does development,maintenance involve what are the other teams or processes that are available for as400 project.

9087

Define data page.

1079

Interviewer asked me write down DDS for load all subfile .can anybody write dds

1738

Explain the advantage of creating the acbs well ahead of time?

3585

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