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MainFrame Interview Questions
Questions Answers Views Company eMail

writing an sql statement from selecting records from two files using single statement and nested select statement.

IBM,

631

how many levels are there in a physical file?

IBM,

1 977

what are the necessary keywords for the join logical file?

IBM,

2 1573

what is a logical file?

IBM,

1 1026

what is a non-join logical file?

IBM,

1 957

what is a physical file?

IBM,

1 984

what is join logical file?

IBM,

1 1026

what is the necessary keyword for non-join logical file?

IBM,

1 1151

what is the purpose of indicators in rpg?

IBM,

1 1050

what is the use of unique keyword and what level it is defined?

IBM,

1 903

What Is Ddm ?

 1 1016

how can I start a page in a new window?

IBM,

769

how can I predict the performance of my cgis?

IBM,

639

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

IBM,

597

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?

IBM,

566

Un-Answered Questions { MainFrame }

in ways data can be passed to a COBOL program from JCL?

653

How to find all duplicate records?

518

What is a db2 schema?

748

What do you know about jcl?

630

How can you find out the # of rows updated after an update statement?

629




What is the difference between cursor and select statement?

605

State all the file open modes?

559

explain sorting techniques in cobol program?

674

What is cursor with hold option in db2?

598

What is dpf in db2?

652

What is the difference between the mro & isc?

518

List out the data types available.

687

What is the format of comment statement?

647

Can we see the copy book length using file-aid?

484

Can min or max be used with alphanumeric data?

557

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