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

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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

Explain index cardinality?

992

Define clustered index?

913

What is drda ?

1037

What is the need of running runstats in the test environment?

1017

What is the function of the verb initialize?

1028

Write the difference between hidam and hdam databases?

956

What is the function of dbctl?

1063

Write about a ‘view’ in brief?

923

How can a like table be created?

931

Write about the self-referencing constraint?

924

Explain database descriptor in brief?

965

State the maximum value up to which volumes can be inserted to an stogroup?

1001

Explain isolation level?

1045

What will be the result if on size error phrase is declared?

890

Explain delete-connected tables?

970

Un-Answered Questions { IBM MainFrame }

What is the meaning of the enq command?

1023

What are the 2 sqlcodes that are returned?

1131

what is the meaning of each of the values in shareopts(2 3)?

965

Which isolation level provides highest data integrity?

1043

Explain the processing modes available in ims db?

3565

which cics service transaction is used to gain accessibility to cics control tables? Mention the one that has the highest priority.?

1142

What are the common cics service programs and explain their usage?

975

SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

11618

What are the cics transactions?

969

What is frset?

973

Write the code to count the sum of n natural numbers.

1145

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1064

Is db2 relational database?

917

What is the meaning concurrency in the db2 database?

1061

What are literals?

1076

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