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Answer Posted / swan
There are 2 types of schemas
1)star schema
2)snowflake schema
star schema is amiddle of the fact table it connects to the
no.of individual dimention tables.It containd de-normalized
data
snowflake schema is is a set of tables comprised of a
single, central fact table surrounded by normalized
dimension hierarchies. Each dimension level is represented
in a table. Snowflake schema implements dimensional data
structures with fully normalized dimensions. Star schemas
are an alternative to snowflake schema
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