Today, We want to share with you sql join multiple tables.In this post we will show you SQL INNER JOIN – Joining Two or More Tables, hear for SQL Inner-join with 3 tables we will give you demo and example for implement.In this post, we will learn about How to join three tables in SQL query with an example.
Joining three or more tables in SQL
In this tutorial we learn to all about having Examples like as a SQL join three or more tables, Use multiple JOINs, Using Aliasing, Multi-table queries with JOINs, Inner Join with Three Tables or many more.
Also Read: sql join multiple tables with conditions
SQL join three or more tables based on a parent-child relationship
SELECT a.ord_num,b.shopper_name,a.shopper_code, c.agent_code,b.shopper_city FROM agents c,shopper b,requests a WHERE b.shopper_city=c.working_area AND a.shopper_code=b.shopper_code AND a.agent_code=c.agent_code;
Use multiple JOINs in your query:
SELECT l.name AS subject_name, t.last_name AS pupil_last_name, st.last_name AS teacher_last_name FROM learning AS l JOIN subject s ON l.subject_id=s.id JOIN pupil st ON l.pupil_id=st.id JOIN teacher t ON l.teacher_id=t.id;
SELECT users.full_name, books.title, checkouts.checkout_date FROM users INNER JOIN checkouts ON (users.id = checkouts.user_id) INNER JOIN books ON (books.id = checkouts.book_id);
SELECT u.full_name, b.title, c.checkout_date FROM users AS u INNER JOIN checkouts AS c ON (u.id = c.user_id) INNER JOIN books AS b ON (b.id = c.book_id);
How to join 3 or more tables in SQL?
Where Condition (Inner Join with Three Tables)
Select table1.ID ,table1.Name from Table1 inner join Table2 on Table1 .ID =Table2 .ID inner join Table3 on table2.ID=Table3 .ID where table1.Name=Table3.Name
Multi-table queries with JOINs
Select query with INNER JOIN on multiple tables
SELECT column, another_table_column, … FROM mytable INNER JOIN another_table ON mytable.id = another_table.id WHERE condition(s) ORDER BY column, … ASC/DESC LIMIT num_limit OFFSET num_offset;
sql query join multiple tables
SELECT s.pupilname , s.pupilid , s.pupildesc , h.hallname FROM pupils s INNER JOIN hallprefs hp on s.pupilid = hp.pupilid INNER JOIN halls h on hp.hallid = h.hallid
Inner Join with Three Tables
Select table1.ID ,table1.Name from Table1 inner join Table2 on Table1 .ID =Table2 .ID inner join Table3 on table2.ID=Table3 .ID
I hope you get an idea about sql join multiple tables.
I would like to have feedback on my infinityknow.com blog.
Your valuable feedback, question, or comments about this article are always welcome.
If you enjoyed and liked this post, don’t forget to share.