Posted On: Dec 30, 2020
A bridge table acts between a fact table and a dimension table. It is used to resolve many-to-many relationships between a fact and a dimension. The bridge table will contain only two dimension columns and key columns in both dimensions.
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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....
In the data warehouse, Snowflake Schema is a logical arrangement of tables in a multidimensional database...
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...