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

How to read records which is in sequential file in reverse order ? Exp. 1 2 3 4 5 . i want 5 4 3 2 1?please clear my doubt any one

IBM,

10 26257

How to create a key field for a logical file inside RPG?

HSBC,

4 14159

Can somebody tell me that, Is it possible to read all the member of PF without OVRDBF?

6 12551

What is the OPEN and CLOSE accesspath?

CTS,

3 9930

what is estimation? and what is the level identifier parameter in PF?

TCS,

3 8979

IN RLU what are the record level keyword is used?

iGate, TCS,

5 14652

What is "Call by content" and "call by reference"?

ADP, Syntel,

4 21492

what built in function can be used with SETLL.If you want to check whether the search argument is successful or not? Please give me answer with example?

3 9595

what is mean by *MAP and *DROP?what commands use these two keywords?why are they used?

4 18962

write the SQL statement to retrieve the 2nd Highest salary ammount(File Name="EMPLOY",Field Name="SALARY")

Bally Technologies, Cognizant, Vertex,

6 20380

How can we find from which source the program has been compiled for a given RPGLE program object?

5 15351

Please give me the code for A=A+1 in cl program?

2 6952

what is the correct about QTEMP library(below mention)? a.it is Unique to a job b.it can be shared between different job c.it can only be deleted by QSECOFR d.Non Please give me the answer for this?

Wipro,

8 12993

An rpg program is processing an openquery file.The file is declared in update mode in F spec.Can we update this file? Please explain?

3 13058

A phisical file has two fields like 1) Account No(10,0) 2)Phone No(15,0)Unique on both fields?Please give me the answer for this?

3 7550

Un-Answered Questions { MainFrame }

how can you detect overflow for a print program that prints multiple lines per cycle?

1656

Explain how to initialize a register to 0000?

965

Explain the catalog?

953

if we want to use a gdg which is already created by some job, then how to use the reference of the last generation in a jcl?

2242

what is the panel name of ispf primary option menu?

1111

how we sort two input files based on a common column and giving one o/p file please send me the coding logic?

2089

how do u start your process after conducting impact analysis ?

2087

what is *inzsr used for?

2275

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17818

what are various techniques to pass parameters from one program to another?

1768

What is the function of iebgener?

1014

What is jcl in mainframe, and how many types of jcl statements are there for a job?

1126

What is the use of intialize verb?

1194

What is db2 and what is the use of db2 optimizer?

1005

how to refer the data field?

2226

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