MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

Mention the location where the output received from explain statement is stored.

1127

What are the uses of db2 optimizer?

1296

Comment whether dclgen is mandatorily used. If not, then what is the point of using it?

1061

Before you give the explain statement, what are the prerogatives?

1040

What is the information associated with sysibm.syslinks table?

1125

Mention the way of highlighting as well as putting a cursor to use in a cobol program.

1077

What is the purpose of using commit?

1099

If the cursor is kept open followed the issuing of commit, what is the procedure to leave the cursor that way?

1148

What is meant by explain?

1133

Define db2.

1116

Highlight all the advantages that are attached to a package.

1119

What is release/acquire in bind?

1106

Mention some fields that are a part of sqlca.

1033

Following a db2 update statement, what is the quickest way to compute the total number of updated rows?

1071

Explain the contents that are a part of dclgen.

1092

Un-Answered Questions { MainFrame }

Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1153

when can a job time-out occur? How to overcome that?

1289

How do you create a like table?

970

in which specification the report layout can be defined?

1632

What is the purpose of idcams?

1049

How dummy is used in jcl?

1149

What is use of restart and how to use it?

1317

What is report-item in COBOL?

1156

How is record management performed in vsam?

1140

Explain foreign keys?

1020

when do you explicitly open files and close files in an rpg program?

2065

What is fset?

1018

Write about the self-referencing constraint?

975

How do you eliminate duplicate values in db2?

1192

Explain the difference between external subroutine and subprogram?

1225

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