What is natural join used for?

Question

The join clause is used to combine tables based on a common column and a join condition. A natural join is a type of join that combines tables based on columns with the same name and type.

What is the purpose of natural join?

A Natural Join performs join based on column(s) of the tables which are participating in a join that have the same column name and data type. To perform this join operation, the Natural Join keyword explicitly is used. A Natural Join combines multi Tables, View or Materialized View to retrieve data.

What is the purpose of natural join in SQL?

A NATURAL JOIN is a JOIN operation that creates an implicit join clause for you based on the common columns in the two tables being joined. Common columns are columns that have the same name in both tables. A NATURAL JOIN can be an INNER join, a LEFT OUTER join, or a RIGHT OUTER join.

What does natural join do in Oracle?

What is Natural Join in Oracle? The join is based on all the columns in the two tables that have the same name and data types. The join creates, by using the NATURAL JOIN keywords. It selects rows from the two tables that have equal values in all matched columns.

What does natural join do in MySQL?

In MySQL, the NATURAL JOIN is such a join that performs the same task as an INNER or LEFT JOIN, in which the ON or USING clause refers to all columns that the tables to be joined have in common.

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