Can you Natural join 3 tables relational algebra?

Can you Natural join 3 tables?

Using JOIN in SQL doesn't mean you can only join two tables. You can join 3, 4, or even more! The possibilities are limitless.

How does natural join work in relational algebra?

Natural Join (⋈) We can perform a Natural Join only if there is at least one common attribute that exists between two relations. In addition, the attributes must have the same name and domain. Natural join acts on those matching attributes where the values of attributes in both the relations are same.

What is the major drawback of natural join?

The common complaint about NATURAL JOIN is that since shared columns aren't explicit, after a schema change inappropriate column pairing may occur.

What is the difference between Equijoin and natural join?

A natural join is a type of equi join which occurs implicitly by comparing all the same names columns in both tables. The join result has only one column for each pair of equally named columns. In other words, the Natural Join helps to join the two tables based on the same attribute name and the datatypes.