Informatics Practices

What is a join ? How is natural join different from an equi-join ?

SQL Joins & Grouping

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A join is a query that combines rows from two or more tables based on a condition.

The join in which only one of the identical columns from the joined tables exists is called a natural join, while the join in which columns are compared for equality is called an equi-join.

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Informatics Practices

What is a join ? How is natural join different from an equi-join ?

SQL Joins & Grouping

Answer

Related Questions

What is Cartesian product ? How is it related to join ?

What is a table alias ? What is the purpose of table alias ?

Define an equi-join. What is non-equi-join ?