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 happens to a cursor after a commit?

3 9923

What do you do to keep the cursor from closing after a commit?

1 6914

How do you check for a null value in a db2 column?

2 11786

Have you used comp and comp-3 in your project? And how?

IBM,

2477

Why we are using comp and comp-3 in real time projects?

IBM,

4 15163

Have you used the sort in your project?for this type of questions any working on real time project give the eg. with real time scenario.

IBM,

2429

How to code fscode 10 in cobol program? Where yoy code in your pgm?give ans for the question.

IBM,

2 10438

how to check whether the open command of a sequential file is successful? or not?

CSC, IBM,

2 14485

I am Submitting one job in batch that job calls three progams(PGMA, PGMB, PGMC). PGMB should be called after sucessfully completion of PGMA as like for PGMC also. So Can you please tell me how can we do that (without using data area)

CTS,

2 8885

What is use of IMPORT and EXPORT in RPGLE ? What is activation Group ? What is Service Program ???? How to call another program in RPGLE ?

1 12682

when this error ocuurs in openqry file 'OPNID(BANKPF) for file BANKPF already exists.'?

ITC Infotech,

2 10383

how to see the error messages for each command in cl?

CGI,

2 7343

how to restrict upon adding the data for field reference file in DB400

1 4284

can we retrieve dspf source?

2 12201

For AS/400 Freshers good website is

HCL, HP,

3 19068

Un-Answered Questions { MainFrame }

What is the use of disp parameter?

1136

Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language?

895

What is a system catalog table in db2?

1184

How long have you been working on mainframes?

966

//S10 EXEC PGM=ICETOOL //TOOLMSG DD SYSOUT=* //DFSMSG DD SYSOUT=* //CON DD DSN=VAR.INPUT1,DISP=SHR // DD DSN=VAR.INPUT2,DISP=SHR //OUT DD DSN=VAR.OUTPUT,DISP=(NEW,CATLG,DELETE), // SPACE=(CYL,(5,5)),UNIT=SYSDA //TOOLIN DD * * Splice the needed data from the two VB files together SPLICE FROM(CON) TO(OUT) ON(5,5,CH) WITHALL - WITH(12,5) WITH(22,20) VLENMAX /*

1457

Matching Logic in Jcl not in cobol.Could any one please answer this question

4152

what is the use of jdftval in join logical file?

1797

How do you reference the fixed block file formats from cobol programs

1227

how to read database records without locking them?

1832

I have many files which i am receiving from client everyday. I have one step for every file to check for empty or not. Here client gives 30 files i need to check for every file for empty or not and i need to perform 30 steps. Can I do it in single step. Dynamically i need to change the File name in my step.

1210

what are indicators?

1033

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2385

how would find total records in files using sequential?

982

write a program to read from a VSAM file , there will be a 5 records to create name. empno. resignation and address to update in a db2 table and call another program using dynamic call to find the matching fields in program 1 to update in db2 table. anybody pls send de program for dis ? thanks in advance...

2733

What is the default value(s) for an initialize and what keyword allows for an override of the default?

1206

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