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SQL Join Venn Diagram

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Published on 2022-04-20
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This SQL Join Venn Diagram depicts a technique for retrieving data from two or more database tables. SQL Join Venn Diagram is a popular way to understand SQL joins, so each example has a corresponding Venn diagram, appropriate SELECT statement, and result table. The cross join (or cartesian product) generates a result that contains every possible combination of rows from the two tables. The Inner Join clause in SQL Server creates a new (non-physical) table by combining rows with matching values from two or more tables. Because the tables have a logical relationship, this join is used (or a common field).
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