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

Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?

1 5641

max number of columns in a db2 table?

6 25088

Can you access the DB2 Directory table using SQL?

3 7678

What is correlation names?

1 4866

What is an alias?

3 6334

I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?

3 6591

What is the difference between Where and Having Clause

IBM, iFlex,

7 30545

Which transaction use a command thread ?

1 3817

What is a LIKE table and how is it created?

2 5530

Name some fields from SQLCA.

2 6569

what's the equivalent Cobol Data type for Decimal(x,y) in DB2? what does the current SQLID register contain?

Cap Gemini, Tech Mahindra,

3 18377

What are the isolation levels possible ?

3 7076

What is meant by index cardinality?

2 6598

What does the RUNSTATS Utility do?

4 20696

What is the purpose of the QUIESE Utility?

1 5187

Un-Answered Questions { MainFrame }

What is image copy in db2?

1027

What is a SSRANGE and NOSSRANGE?

1484

pls send the docs of any telecommunication mainframe project

2178

what is rpg fixed logic cycle?

1218

how do u start your process after conducting impact analysis ?

2135

is their a difference in cobol400 for the release 5.2 and 6.1 at the as400.

2574

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

1085

what do you mean by a vsam split?

1102

Is mainframe an operating system?

948

If a ceo wants to see all employees of the company from an online screen. How will be the design of the map from the developer point of view?

1047

Apart from opening of a file do we have any other use of USROPN?

1397

How many maximum record format a logical file have?

1001

Matching Logic in Jcl not in cobol.Could any one please answer this question

4179

define the field with ic in the bms map.

1142

State the uses of syspring, sysin, sort fields, sum fields and dummy.

1097

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