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 26523

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

HSBC,

4 14299

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

6 12740

What is the OPEN and CLOSE accesspath?

CTS,

3 10061

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

TCS,

3 9105

IN RLU what are the record level keyword is used?

iGate, TCS,

5 14831

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

ADP, Syntel,

4 21659

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 9695

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

4 19124

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

Bally Technologies, Cognizant, Vertex,

6 20565

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

5 15477

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

2 7038

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 13186

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 13187

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 7661

Un-Answered Questions { MainFrame }

What is need of start 0?

1122

How do you eliminate duplicate values in db2?

1169

how may a cgi control duplicate inputs?

1066

how do you specify the number of records to roll in a subfile ?

2159

What is qsam? How it is used?

734

hi.... anybody send real time project related questions & answers whatever will ask in interview plz.....help me? advanced thanks....

2481

What is the purpose of the dd keylen parameter?

1214

How would you find out the total number of rows in a db2 table?

1048

List some fields from sqlca?

1056

what is the differences between getting the system time with eibtime and asktime command?

1132

What is a region in idms?

888

can all users have the privilage to use the sql statement select * (dml)?

1163

what are the types of abends that occur on job failure? And explain the possible causes of these

1608

What is the meaning of Copy IDMS Subschema-Binds?

1682

Is db2 relational database?

971

For More Un-Answered { MainFrame } Questions Click Here