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The physical table name is the name you declare prefixed with the subject area prefix name.If the table has a natural key (to support an Fact Surrogate Key column type), the natural key/surrogate key cross reference is stored in a separate companion table.

This table is typically surrounded by dimension tables; foreign keys in the fact table link the dimension tables to the fact table.Along with 16 years of hands on experience he holds a Masters of Science degree and a number of database certifications.For any SQL Server Performance Tuning Issue send an email at [email protected] are currently two supported types of fact tables: The snapshot fact form relies on the definition of the primary key to decide whether to update a fact row or insert a new one.The current implementation of the snapshot fact form assumes that the Source being loaded into the snapshot fact form does not contain primary key (PK) duplicates (in other words, every source row is unique with respect to the fact’s primary key).

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