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 maximumm length of account information in job card of a jcl?

Accenture,

8 16686

What is EIBCALEN? Why it is used?

ADP,

9 37587

What is the RPG cycle?

CSC,

3 20947

where we can declare the files in fct and pct and ppt and rct pls give clear structure

IBM,

1 8416

abt ssa.purpose of ssa

IBM,

3 8453

I have a Physical File name 'File1', which is present in two libraries named 'LIB1' & 'LIB2'. These 2 libraries are listed in the library list. Would like to access data from this file from these two libraries using RPG program. How to do this, any idea?

4 11635

If i have updated few fields of Adabas file using UPDATE command, and after that i used display to see that field get updted or not. If in Display it showing nothng or record did not get updated then what can be the possible reasons?

Satyam, TCS,

2 10807

What is the significance of DBID used in Adabs?

1 10927

i want to learn mainframes. i completed MCA ,whats the future of mainframes

5 8671

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 27627

The PGMA calls PGMB.PGMB generates a report.The report should contain the called program name(PGMA).How do i get the called program name in PGMB to print it on the spool file?(calling program name should NOT be hard coded or passed as parameter to called program?

6 11784

what is difference between DSPFD and DSPFFD?please give me real senario with good example?

1 18475

Hi,Please give me complete code with this logic. The question is how to read the records from a file with load an array of size with error condition? (The logic is Z-Add 0 IDX *LOVAL SETLL FILE READ FILE 99 *IN9 DOWEQ *OFF IDX ANDLT 99 ADD 1 IDX MOVE FIELD ARR,IDX READ FILE 99 ENDDO)please give me complete code with explanation?

1 4712

Hi, Can anybody give me real sinario for SFLRCDNBR?with example?

2 14323

Re: 01 NAME1 PIC X(13) VALUE "COBOL PROGRAMMING". 01 NAME2 PIC X(13). now I want to display the value of NAME1 in reverse order i.e value should be displayed as "GNIMMARGORP LOBOC" HOW can I do that ??? please let me know if any one knows it.

IBM,

2 9428

Un-Answered Questions { MainFrame }

Explain the difference between using the read command with into option and set option?

977

What do you understand by psb and acb?

1058

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1079

all i need to know about cmpseqdat parameter in cmppfm, how it works and can we retrieve line sequence and date from the output?

2825

What are the retrieval sequences in ims db?

1304

How to Provide Column Names Using the DRAW Command ?

1476

What is the purpose of dd?

1188

Suppose there are 2 Input files Infile-1 and Infile-2. Both the Files contain Employee Records. You need to compare both the files and Write the Common Records in third file named Outfile. How can we do this using File-Aid?

2701

How to write record if no field or the field are different in physical file in rpgle ?

906

What os does db2 run on?

929

What are concurrency issues?

1032

What is bufferpool in db2?

987

what is the maximum number of fields under a record format of physical file?

1741

What is performance tuning db2?

1010

http default port 80 is used by some other production http service. How can I create an http instance on another port to run cgidev2 and my future cgi developments?

1048

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