What is data merging, data cleansing and sampling?

Answer Posted / 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       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the different types of scd's used in data warehousing?

963


Explain the difference between filter and conditin?

765


What is fact less fact table? Where you have used it in your project?

704


What is a fact, dimension, measure?

794


How to reduce warnings?

747


What is a cube in data warehousing concept?

871


How many project sources we can create in metadata?

794


What is the differences between star and snowflake schemas?

784


ware house management system is used?

779


What are the different types of data warehousing?

729


Explain conformed fact?

747


what type of raid setup would you put your tx logs?

748


Explain what are fact, dimension, and measure?

745


Explain where do we use semi and non additive facts?

803


What is perform recovery?

747