What is data merging, data cleansing and sampling?



What is data merging, data cleansing and sampling?..

Answer / ajay kumar

datacleaning means duplicate data removing,meging means
combing data from sql,oracle and other ets and dumped into
dataware house

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Data Warehouse General Interview Questions

What are necessary tasks to install reportnet software?

0 Answers  


What is the difference between a primary and secondary actor in use case modeling?

0 Answers  


What are templates in which way it is help full?

0 Answers  


explain about balanced dimension,

0 Answers  


How many repositories can we create in Informatica?

14 Answers   Informatica,






I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE

1 Answers   Wipro,


What is the "junk dimension"? Give with examples?

8 Answers  


What is incremintal loading?

0 Answers  


How to stop a batch?

0 Answers  


What is conformed fact?

0 Answers  


What is the difference between a W/H and an OLTP application?

5 Answers  


What is the use of dimensional modeling in data warehousing?

0 Answers  


Categories