Posted On: Dec 30, 2020
Star Schema in a data warehouse, in which the center of the star can have one fact table and a number of associated dimension tables. As its structure resembles a star so it is known as a star schema.
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distinct property(keyword) is used to eliminate duplicate rows in Informatica from a database and a flat-file. We can eliminate duplicate rows from the flat-file by using group by function in an aggr...