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

In which column of which DB2 catalog would you find the length of the rows for all tables?

2 11653

What does the REORG Utility do?

2 14014

What is FREEPAGE and PCTFREE in TABLESPACE creation?

1 17070

What do you know about DBD gen?

4 16578

What is a key field in an IMS database?

5 16490

What is the physical nature of a database called?

2 8430

What is the limitation on the no. of levels in a DL/I database?

2 9318

How many PCB?s can be coded within a PSB?

TCS,

7 19287

What are common status codes that you come across?

Satyam,

4 21668

How man key fields and search fields can a segment have?

2 7210

which is the first statement in COBOL-IMS programs?

Ford, IBM,

2 14432

Define DBD?

9 16173

Define the terms Parent & Child.

3 6550

What is secondary indexing?

4 17610

What are Twins?

3 8481

Un-Answered Questions { MainFrame }

What is the draw back of Procedures? why we are going to Modules?

1792

What is db2? Explain.

1044

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

2365

When the like statement is used?

1222

what is meant by s0c-07 system abend codes?

1083

is it possible, in the same cgi, to run more than one gethtml or gethtmlifs?

1072

What are the rules of the move verb?

1270

Explain how do you intitiate another transaction?

1066

how JCL works?

1268

How does jcl act on code(if you take a cobol program)?

1290

What is the use of tdq and tsq?

1113

why is the declare cursor statement is used for?

1058

what is unit testing ? on which basis you will write test case ?

2016

How to retrieve a physical file after deleting that?

1117

What is the structure and definition for the same?

1010

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