left join with code example

Example 1: sql left join

SELECT table1.column1, table2.column2...
FROM table1
LEFT JOIN table2
ON table1.common_field = table2.common_field;

Example 2: left join sql

#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

Example 3: left join

Matching part from both table and unmatching part from left table.