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 different ways of initiating transaction in cics?

944

Explain the difference between temporary storage queue (tsq) and transient data quene (tdq)?

991

What is the cics command level?

1043

Define an aey9 abend?

1217

Define cebr?

1097

Explain what is a cursor in cics sql processing?

1020

Explain how do you intitiate another transaction?

1055

Explain how can you accomplish breakpoint in intertest?

1019

Explain how would you resolve an asra abend?

980

Explain the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

1030

Explain difference between call and link?

1089

Define floating maps with illustration?

1000

Explain the difference between start and xctl?

1066

What is temporal table in db2?

1034

What does db2 mean?

1010

Un-Answered Questions { MainFrame }

What is the diff bw PF/LF Name and their Record format name? what is restriction in record format then file name?

2997

What is the pic clause for the data type of length option field type of data fields?

942

what is the purpose of ovrdta and ovrata keywords ?

1503

In real storage usage. By monitor through rmf iii the usage of real storage keep in increasing everyday. Why this happen?

859

Is their any set of rules for dd? Explain.

1185

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

1060

Where can program checkpoints be stored for use in a restart?

1432

What are the different rules for performing sort operation?

1215

How to move a field DT 9(8) of input file to DT 9(8) COMP-3 in output file in ezytrieve? in the output file entire dt is not moved.If any answer plz reply as soon as possible.

2204

Differentiate between cs and rr isolation levels? Where do you specify them?

1065

Why do we bind in db2?

1206

What is defragmentation?

1099

What is the difference between record occurrence and record type in idms?

846

Explain how are you going to remove duplicates from the file that is being read?

999

Explain how can return codes be tested before execution of a job step?

1321

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