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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

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

2 11792

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

IBM,

2488

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

IBM,

4 15188

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,

2435

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

IBM,

2 10448

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

CSC, IBM,

2 14504

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

2365

Our issue is there seems to be a disconnect, or no link, between our SELECT statement and our SD. We had SELECT SORT-FILE and SELECT SORT-FILE ASSIGN TO SORTWRK. ASSIGN TO SORTWRK1 SORTWRK2 SORTWRK3 SORTWRK4. with SD SORT_FILE RECORD CONTAINS 7833 CHARACTERS. In either case, at run time, the system ignored our SORTWRK# DD statements and allocated 16 sort works with the SORTWK## naming convention. Any ideas why the system does not recognize the connection? We do not even need the SORTWRK DD statements. Thanks

2965

Hello, I have 3 years of exp as a mainframes tester in a leading IT company, now am looking to change my company. Could you please let me know, what are the interview questions/topics i should prepare. Your suggestions are truly valuable for me :) Thanks !!

1945

How to submit multiple jobs. These jobs are members in PDS. The second job should run if the first job runs successfully and so on.

1 10320

File not opened because library is *PROD and debug is UPDPROD(*NO). ? what may be the reason? how to solve it..?

Infosys,

2947

what is the sortcard for comparing two files with a field key and get the duplicates in onefile and noduplicates in another file

Virtusa,

3 13752

Hello Guys, I have 1+ Year Experience in MAINFRAME TESTING. After 1 Week I have an Interview With a Company on Mainframe Testing. Please Could You Guys Please Suggest me What Sections Should I prepare ?? ___Tell Me the Topic Or Appropriate Site & Links. ?? ---------------Thank You

IBM,

2785

In your JCL, run the even numbered steps if date is even and run odd numbered steps if date is odd . Where do you generate the date ??in cobol or JCL ??

CSC,

2 12293

How to find the length of variable length copybook using fileaid ??

CSC,

1 13505


Un-Answered Questions { IBM MainFrame }

Explain how DSECT parameter is used in BMS ?

1205


Mainframes gets a text file that contains the name of the file. Now using JCL i want to locate that file name in the mainframe system and perform further processing. Please tell how to proceed

2564


Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?

1082


What is an ims database?

1146


Explain about find and obtain commands?

914


what is use of dcb parameter in dd statement?

1306


If DB2 query returns in null value, how do you work with it in PL/1?

2364


kindly specify the pic clause for the following:any bll cell, data type of length option field, hhmmss type of data fields?

1112


Why select is not preferred in embedded sql programs?

1301


can you please let me know if there is any walkins for COBOL/PLI/DB2/IMS/JCL in pune other than IBM and ITC infotech

2432


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

2488


What is the idd in idms?

1050


What is ibm db2 database?

1007


How to Provide Column Names Using the DRAW Command ?

1535


What will be the result if on size error phrase is declared?

955