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

What is a Database Request Module(DBRM)?

4 20254

What are the different methods of accessing db2 from tso? How is the connection established between TSO & DB2?

Tech Mahindra,

3 14361

What is cursor stability?

1 8458

What are data types?

2 5428

What is a NULL value? What are the pros and cons of using NULLS?

2 9667

What are leaf pages?

3 8870

when does the SQL statement gets executed when you use cursor in the application programming ?

IBM,

3 10553

What are the disadvantages of PAGE level lock?

3 8393

In terms of DB2 indexing, what is the root page?

1 5347

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?

2 5072

What is meant by the attachment facility?

3 9395

What is a Cartesian product?

2 10273

What is DCLGEN ?

2 6243

Can we declare DB2 HOST variable in COBOL COPY book?

2 10509

What's the Maximum Length of SQLCA and what's the content of SQLCABC?

2 18897

Un-Answered Questions { MainFrame }

What is the role of union all and union

1139

What is a collection in db2?

1049

what are the different commands used in rlu ?

2428

What are the mainframe computing pros and cons?

1128

How do you reference the fixed block file formats from cobol programs

1243

explain how can you initialize a vsam file before any operation?

1114

when an apllication is invoked via the exec cics start command with the from option, how does the application gain access to the common area?

1089

When would you use abend command?

1187

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1231

what is the role of the cursor in db2?

1079

how many maximum spaces could be given in o specs?

1104

What is link edit in cobol?

1226

What's The Percentage Free Space ?

1239

What is dynamic transaction backout?

1151

What is the LINKAGE SECTION used in COBOL?

1545

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