left join in mysql code example
Example 1: mysql left join
/*Two tables: CUSTOMERS table and ORDERS table.
ORDERS table contains STATUS attribute.*/
SELECT
customers.customerNumber,
customerName,
orderNumber,
status
FROM
customers
LEFT JOIN orders ON
orders.customerNumber = customers.customerNumber;
Example 2: sql left join
SELECT table1.column1, table2.column2...
FROM table1
LEFT JOIN table2
ON table1.common_field = table2.common_field;
Example 3: left join mysql
SELECT
Student_details.*,
Attendance.*
FROM
Student_details
LEFT JOIN Attendance ON
Student_details.s_id = Attendance.s_id;
Example 4: use of where in left join in mysql
SELECT bk1.book_name,bk1.isbn_no,bk1.book_price,bk1.pub_lang
FROM book_mast bk1
LEFT JOIN book_mast bk2 ON bk1.book_price<bk2.book_price
WHERE bk2.pub_lang='German';