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فيديو شرح SQL Join 3 Tables: How-To with Example ضمن كورس تصميم قواعد البيانات (ERD) شرح قناة Database Star، الفديو رقم 4 مجانى معتمد اونلاين
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When working with SQL, you'll learn to join two tables together so you can get data from both of the tables.
But what about joining 3 tables?
This is possible to do in SQL. It works in a similar way to joining two tables and can be extended to join to 4 or 5 or many more tables.
In this video, you'll learn how to join 3 tables together in an SQL query, and follow a step-by-step example of a query that does this.