Can we Natural join 3 tables?

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1. NATURAL JOINs are sadly ANSI, but I agree that they should be avoided. · +1: Agreed, (imho) logic should explicit and not implicit. As such, .Natural join of 3 tables in mysql - Stack OverflowMultiple natural joins in a SQL query? - Stack Overflowjoining multiple tables in an SQL query - Stack Overflowrelational algebra - Can I Join 3 table using Natural Join?Другие результаты с сайта stackoverflow.com

Can you Natural join three tables?

Notice that when joining three tables, you use two join conditions (linking two tables each) to achieve a natural join. When you join four tables, you use three such join conditions. In general, if you join n tables, you need n ? 1 join conditions to avoid a Cartesian product.

Can you Natural join 3 tables relational algebra?

As for your question title: yes, you can of course join more than three tables.

Can you cross join 3 tables?

Yes, you can CROSS JOIN as many tables as you want. Let's build upon the example from the exercise, which had the tables shirts and pants , and add a third table for socks . 3 x 2 x 6 = 36 combinations, or 36 total rows.

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