What does a fact table contains?

Question

In data warehousing, a fact table consists of the measurements, metrics or facts of a business process. It is located at the center of a star schema or a snowflake schema surrounded by dimension tables.

What are measures in fact table?

A fact table or a fact entity is a table or entity in a star or snowflake schema that stores measures that measure the business, such as sales, cost of goods, or profit. Fact tables and entities aggregate measures , or the numerical data of a business.

What is example of fact table?

An example of a fact table. In the schema below, we have a fact table FACT_SALES that has a grain that gives us the number of units sold by date, by store, and product. All other tables such as DIM_DATE , DIM_STORE and DIM_PRODUCT are dimensions tables. This schema is known as the star schema.

What are the characteristics of a fact table?

CharacteristicsFact TableDimension TableCreation TimeA fact table is created after dimension tables are created.The dimension table needs to be created first.Schema StructureThere is less number of fact tables in a schema.There is a number of dimension tables in a schema.

What are the 3 types of fact tables?

These are:Transaction fact tables.Periodic snapshot tables, and.Accumulating snapshot tables.

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