sql join
SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column;
Source: www.techonthenet.com
join three tables sql
Suppose we are having three table named as Student_details Attendance_details Batch_details And we have to apply join these three tables for fetching records Example query: select column_names from Student_detail as s join Attendance_details as a on s.s_id = a.s_id join Batch_details as b on s.s_id = b.s_id; Here in the above example we implemented simple join but you change it with own join requirements.
joint query
SELECT StudentCourse.COURSE_ID, Student.NAME, Student.AGE FROM Student INNER JOIN StudentCourse ON Student.ROLL_NO = StudentCourse.ROLL_NO;
Source: www.geeksforgeeks.org
SQL JOIN
SELECT Customers.customer_id, Customers.first_name, Orders.amount FROM Customers JOIN Orders ON Customers.customer_id = Orders.customer;
sql Join
LEFT JOIN All rows from the left table will be returned, even if there's no matching row in the right table. RIGHT JOIN All rows from the right table will be returned, even if there's no matching row in the left table. INNER JOIN Only returns rows where there's a matching row in both tables.
Source: www.quackit.com
sql join query
SELECT * From Table