SELECT Customers.customer_id, Customers.first_name, Orders.amount
FROM Customers
RIGHT JOIN Orders
ON Customers.customer_id = Orders.customer;
SELECT columns
FROM table1
LEFT JOIN table2
ON table1.column_name = table2.column_name;
SELECT *
FROM table_1
RIGHT JOIN table_2
ON table_1.common_field = table_2.common_field;
SELECT Customers.customer_id, Customers.first_name, Orders.amount
FROM Customers
LEFT JOIN Orders
ON Customers.customer_id = Orders.customer;
#The RIGHT JOIN keyword Return all rows from the right table (table_name2), even if there are no
#matches in the left table (table_name1).
syntax->SELECT column_name(s)
FROM table_name1
RIGHT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
////example////
SELECT Persons.LastName, Persons.FirstName, Orders.OrderNo
FROM Persons
RIGHT JOIN Orders
ON Persons.P_Id=Orders.P_Id
ORDER BY Persons.LastName
#LEFT JOIN: Return all rows from the left table, even if there are no matches in the right
#table
syntax->SELECT column_name(s)
FROM table_name1
LEFT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
////example/////
SELECT Persons.LastName, Persons.FirstName, Orders.OrderNo
FROM Persons
LEFT JOIN Orders
ON Persons.P_Id=Orders.P_Id
ORDER BY Persons.LastName
SELECT Customers.customer_id, Customers.first_name, Orders.amount
FROM Customers
RIGHT JOIN Orders
ON Customers.customer_id = Orders.customer;
SELECT columns
FROM table1
RIGHT JOIN table2
ON table1.column_name = table2.column_name;
Select..
LEFT JOIN Child c ON c.ParentAId = a.ParentAId
union
Select..
left Join Child c ON c.ParentBId = b.ParentBId
SELECT table1.column1, table2.column2...
FROM table1
LEFT JOIN table2
ON table1.common_field = table2.common_field;