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

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2062

How to find d key field of a pf that doesn’t have source physical file?

2 10363

The RP program is displaying records 11 times .But there are 10 records in a pf.(ie last record is displayed twice).How to display records only 10 times?

5 10354

How to find d key field of a pf that doesn’t have source physical file?

2 7470

Write the subfile logic program for the given concept. Load the data to the subfile depends upon the designation where designation is not a key field?

TCS,

2 7509

What is the difference between inner join @ outer join

4 10018

Can anybody tell me the setps to create .csv file in IFS folder on AS/400. I also need to know how I can send this .csv file to PC in xls sheet.....?

2 9459

01 MOVE 10 TO N 05 PERFOM PARA1 TIMES STOP RUN WAT WILL HAPPEN?? WILL IT RUN INFINITELY OR AN ERROR WIL BE THER BECAUSE NO OF TIMES IS NOT GIVEN??

1 5171

Difference between creating a report using Printer file and WRKQRY(Query Report) ?

3 12834

steps involved in debugging and types of debugging modes?

1 8920

steps for debugging two rpg programs????

4 12482

If a gdg contains 20 versions .. how to copy those versions ps?

IBM,

2 19079

HOW to change the coloumns in XREF?

2007

can you change the attribute in mapset? if so how?

2138

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2126

Un-Answered Questions { MainFrame }

what is the difference between seton lr and retrn?

2045

how do you read data area in an rpg program?

1820

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1213

What is alias in db2?

1061

What Is Default Data Type (if You Define Decimals '0') In Physical File?

1856

what how do you initialize a vsam file before any operation? A vsam with alternate index?

1016

what is the rpg system?

1278

What are the main control blocks available in ims db?

1095

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1240

Can we delete records from view?

967

name the command that is used to dump the main storage areas related to a task?

1096

What is difference between alias and synonym in db2?

1143

how many buffers are allocated to vsam ksds and esds?

1167

Explain what you understand by passing by value.

1154

What is the batch job?

987

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