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

IBM MainFrame (5234)
IBM AS400 (1355)
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MainFrame Interview Questions

Questions Answers Views Company eMail

Explain packages.

1071

Mention the definition of cobol in varchar field.

1204

Explain the function done by data manager?

1238

Define buffer pool.

1009

Outputs of explain are with matchcols = 0. What does this signify?

1013

Explain in detail about buffer manager and its functionalities?

1024

Mention the various locks that are available in db2.

989

Explain about dbrm.

1005

Can I redefine an x(200) field with a field of x(100) ?

1165

What is comp-1?

923

How many bytes will a s9(8) comp field occupy ?

1094

What is Comp-2?

1082

What is the maximum value that can be stored in s9(8) comp?

998

Give the format of using and giving in sort statement. What are the restrictions with it?

996

Can I redefine an x(100) field with a field of x(200)?

926

Un-Answered Questions { MainFrame }

How to execute a query in qmf at a particular time?

901

What is parallel sysplex?

773

Mention the length of physical storage of the given data types of db2 – date, timestamp, time

1053

Name the command which is used to release a record on which exclusive control is gained?

965

What is the meaning of the enq command?

1041

Explain difference between read(1) and read work file once?

923

What is the maximum No of rows per page?

1031

Explain is it possible to code goto statement in natural? If yes please provide the syntax of the same?

924

What is meant by a bolt dispute?

1308

What is plan and package in mainframe?

901

name the command that is used to dump the main storage areas related to a task?

1051

What r the comman abends in db2, jcl and cobol???????

2223

What is a bind card?

1169

what are the differences between and exec cics xctl and exec cics start command?

1179

What is with ur in db2?

1267

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