Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
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The JOIN ClauseThe above query will systematically match up therecords from both the Employees and theOrders tables, using the join key rules given inthe ON clause.That is, as the database engine runs through theEmployees table, it simultaneously obtains allthe order records that that employee was involvedin placing (where the EmployeeID field of theOrders table agreed with the EmployeeID of theEmployees table).