joining more than 2 tables in sql code example
Example 1: join multiple tables sql
SELECT TableA.*, TableB.*, TableC.*, TableD.*
FROM TableA
JOIN TableB
ON TableB.aID = TableA.aID
JOIN TableC
ON TableC.cID = TableB.cID
JOIN TableD
ON TableD.dID = TableA.dID
WHERE DATE(TableC.date)=date(now())
Example 2: 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.
Example 3: join multiple tables in sql
SELECT Books_Namn, Author_Namn, Author_Age, Store_Namn FROM books
JOIN Author ON Author_Id = Author_Author_Id
JOIN Books_has_Store ON Books_Books_Id = Books_Id
JOIN Store ON Store_Id = Store_Store_Id;