What is the differentiate between data file and descriptor file?


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More Data Stage Interview Questions

diff between changecapture & diffrence stage which situvation we can use the diffrence stage ?

1 Answers   TCS,


i have a scenario in which i/p columns areID,salary with 1,1000 2,2000 and 3,3000 i need an extra column in the o/p named avg(salary)how can i get it?

4 Answers   L&T,


there are indexes on a table as index1 with col1, col2 index2 with col2 index3 with col1,col2,col3. if i run a query with col1='100' which index will be used and why

1 Answers   Virtusa,


I am running a job with 1000 records.. If the job gots aborted after loading 400 records into target... In this case i want to load the records in the target with 401 record... How will we do it??? This scenario is not for sequence job it's only in the job Ex: Seq file--> Trans--> Dataset..

9 Answers   Cognizant, IBM, TCS, Virtusa,


i hav source like this . deptno,sal 1,2000 2,3000 3,4000 1,2300 4,5000 5,1100 i want target like this target1 1,2000 3,4000 4,5000 target2 2,3000 1,2300 5,1100 with out using transformer

2 Answers  






if a column contains data like ram,rakesh,madhan,suraj,pradeep,bhaskar then I want to place names separated by commas in another columns how can we do?

5 Answers  


how to change left and right links in join stage?

4 Answers   Cap Gemini, IBM,


1)What is configuration your file structure 2)I have two databases both are Oracle while loading data from source to target the job takes 30 min but I want to load less time how?

1 Answers   Hexaware,


In Informatica,for the table I can find coreesponding dependent mappings.Likewise can I find the dependent jobs with all the information by using the table name

0 Answers   TCS,


if the source file is CID,CCODE,CONNDATE,CREATEDBY 0000000224,1000,20060601,CURA 0000000224,2000,20050517,AFGA 0000000224,3000,20080601,TUNE 0000000225,1000,20020601,CURA 0000000225,2000,20050617,AFGA 0000000225,3000,20080601,TONE AND TARGET is oracle following are the validations cid loaded with unique records leading zeors has to be deleted while loading cid in target load only customer who got early connected to company conn_date should be loaded into oracle date format cid datatype is varchar2 in target conn_date is data datatype ccode is varchar2 0000000224,1000,20060601,CURA 0000000224,1000,20060601,CURA

2 Answers  


In my project source data comes from MAINFRAME in files.so,This time data is coming as a binary file...I know for binary data we use Complex flat file stage..I have used it also..but on 'view data' data is not coming correctly..as it in MAINFRAME.give me some ideas..

2 Answers  


what is normalization and denormalization

2 Answers   CTS,


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