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 26254

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

HSBC,

4 14147

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

6 12535

What is the OPEN and CLOSE accesspath?

CTS,

3 9921

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

TCS,

3 8968

IN RLU what are the record level keyword is used?

iGate, TCS,

5 14637

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

ADP, Syntel,

4 21484

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 9592

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

4 18950

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

Bally Technologies, Cognizant, Vertex,

6 20365

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

5 15342

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

2 6947

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 12981

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 13051

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 7544

Un-Answered Questions { MainFrame }

What is NOTCAT ?

1282

How do you round the addition or subtraction of two numbers in assembler?

984

how will you find a particular line in debugging if its a infinite loop

1734

Q:HI friends accually ihave one problem plesase let me know the alternate code of this code. Related field description of code: Add a field, CALvsPRD, "Calendar Day Starts Before/After Production Day" to the parameter set WRKORDER which accepts values 'A' or 'B' o B = Calendar Day Starts Before Production Day o A = Calendar Day Starts After Production Day o Any other value indicates the production and calendar dates are always the same. code: Automatic Execution Of *INZSR Subroutine /Z01 * retrieves WRKORDER field values. /Z01 * Calculate default Production Date and return it to caller. /Z01 * Production date defaults to system date /Z01 C Eval P@Pdate = %DATE() /Z01 * unless Calendar date starts Before PDN(production) date and /Z01 * system time is before PDN Start Time then /Z01 * PDN date is yesterday. /Z01 C If W@CALvsPRD = 'B' and /Z01 C %TIME() < %TIME (W@Strtime) /Z01 C Eval P@Pdate -= %Day(1) /Z01 * unless Calendar date starts After PDN date and /Z01 * system time is *GE PDN(production) Start Time then /Z01 * PDN date is tomorrow. /Z01 C ElseIf W@CALvsPRD = 'A' and W@Strtime > *Zero and /Z01 C %TIME() >= %TIME (W@STrtime) /Z01 C Eval P@Pdate += %Day(1) /Z01 C EndIf /Z01 C Eval *InLr = *On

2484

What is a run unit in idms?

814

how can database records be read without lock ?

1871

What rules are followed by the search verb.

1062

What is the difference between Global and External Variables?

1324

when do you explicitly open files and close files in an rpg program?

2005

How do u design a physical file, when you have 2 Unique fields like for eg in A student file student ID and student examination no both are unique

966

List in order the hierarchical levels of jcl?

1075

How to connect to db2 database from windows command line?

1018

how can i see junk values in dclgen or in hostvariable of comp ?

2951

if i am having a cics,vsam and db2 programs with each functions and i want that each function on screen?

2202

Explain about cursor stability?

994

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