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 the use of EVALUATE statement?

Tesco,

4 10725

What is the difference between a binary search and a sequential search?

3 8739

What is an in line PERFORM? When would you use it? Anything else to say about it?

4 9385

Difference between next and continue clause

Kanbay,

4 9819

What divisions, sections and paragraphs are mandatory for a COBOL program?

Arigo Infotech,

8 26984

What is the mode in which you will OPEN a file for writing?

4 12936

What is the difference between static call & Dynamic call?

CSC, TCS,

2 9038

What is 77 level used for ?

IBM, iGate,

12 65940

What is report-item?

IBM,

1 7014

What is the difference between SEARCH and SEARCH ALL? What is more efficient?

IBM, iFlex, Wipro,

9 34887

How do you code Cobol to access a parameter that has been defined in JCL?

3 9586

What is the different between index and subscript?

3 8459

What is Comm?

IBM, Kemper Corporation,

2 7790

COMP-3 field occupy ?

8 20665

What is the difference between a subscript and an index in a table definition?

TCS,

3 11125

Un-Answered Questions { MainFrame }

What is the biggest disadvantage of using a vsam dataset?

1132

What are the terms cics generally means?

1007

How do you define an altindx?

1040

A join logical file has how many record formats?

1119

I have one input file and some 40 tables, I want to read input file and compare the input file value with the table value if it is present then we have to update with new value, this should be repeated for all 40 tables and we are reading only one input file, for this is there any REXX program or job or routine to accomplish above requirement. components of the requirements; 1. One input file 2. 40 DB2 tables 3. we have to read from the input file and compare with table value, if present then update with new value (this should be recurssive for all 40 tables for every record of input file). 4. quick help is appreciated.

2373

Explain about maximum displacement?

1059

What are the recoverable cics resources?

1014

how to initialize a register to 0000?

1152

Why adabas is used?

930

how you get the relative record in a subfile in which cursor is located?

1106

What are the different type of meta operations available in plex

1713

What Does Lokup Does In Tables & Arrays?

1275

what is the most common way of building queue-id of a tsq?

1085

Mention the downsides of page level lock.

1161

Can you define ppt and what are its uses?

1071

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