Based on a shared column between two or more tables, a JOIN clause is used to merge rows from those tables.

The “studentID” column in the “Orders” table refers to the “studentID” in the “Customers” table, as you can see.

The “studentID” column establishes the connection between the two tables above.

Joins are expressed logically using the following Transact-SQL syntax: INNER JOIN. LEFT [ OUTER ] JOIN. RIGHT [ OUTER ] JOIN.

JOIN in SQL.

Based on a shared column between two or more tables, a JOIN clause is used to merge rows from those tables.

The “studentID” column in the “Orders” table refers to the “studentID” in the “Customers” table, as you can see.

The “studentID” column establishes the connection between the two tables above.

Joins are expressed logically using the following Transact-SQL syntax: INNER JOIN. LEFT [ OUTER ] JOIN. RIGHT [ OUTER ] JOIN.