Question

An INNER JOIN is also called a(n) _____

a. Outer join
b. Complex join
c. Simple join
d. Abstract join

Answer 1

An INNER JOIN, a basic type of SQL join, is also called a Simple join. It returns rows from multiple tables where the join condition is satisfied and is different from an OUTER JOIN, which also includes unmatched rows.

Step-by-step explanation:

An INNER JOIN is also called a c. Simple join. An INNER JOIN is a basic type of SQL join that returns all rows from multiple tables where the join condition is met. This means that it selects all rows from the participating tables that have matching values in the joined fields, effectively intersecting the datasets. In contrast to an INNER JOIN, an OUTER JOIN retrieves not only the matching rows but also the unmatched rows from one or both tables.