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what is fact and what types of fact tables is there

Question Posted / pawan

Answer Posted / pawan

Fact: It is an object that is being analyzed.

Fact table: It consists of a composite key and facts, where ever attribute of the composite key is a foreign key to the dimension table or summarized information.

Two Types Of Fact Tables:
1) Cumulative Fact Table: Describes what was happened over the period of time. They contain addition facts.
2) Snap shot Fact Table: Deals with the particular period time. They contain non-additive and semi-additive facts.

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