Question

The JOIN...USING keywords are used to join two tables that do not have a commonly named and defined column.

a) INNER JOIN
b) LEFT JOIN
c) RIGHT JOIN
d) CROSS JOIN

Answer 1

JOIN...USING is used for an INNER JOIN where two tables have a commonly named and defined column, contrary to the statement in the question.

Step-by-step explanation:

The JOIN...USING keywords are not used to join two tables that do not have a commonly named and defined column. Instead, they are used to join two tables that have one or more columns with the same names and you want to join the tables using one of these common columns. The correct use of JOIN...USING is related to an INNER JOIN where the tables are combined based on a common column. If the tables do not have a commonly named column, you would typically use a different join type with an ON clause specifying the condition for the join.