Explain star schema, snowflake schema and fact constellation schema
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A Snowflake Schema is an extension of a Star Schema, and it adds additional dimensions. It is called snowflake because its diagram resembles a Snowflake. ... A Galaxy Schema contains two fact table that shares dimension tables. It is also called Fact Constellation Schema.
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A Snowflake Schema is an extension of a Star Schema, and it adds additional dimensions. It is called snowflake because its diagram resembles a Snowflake. .
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