A Timeline Of Database History

Star schema and Snowflake schema are two of the most well-liked. The entities in a star schema are represented in a star type, whereas those in a snowflake schema are shown in a snowflake shape. A schema is a visual illustration of the database that’s logical. It builds and specifies the relationships among the many database‚Äôs quite a few entities. It refers back to the several sorts of constraints which may be utilized to a database.

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