SQL Self Join
Table Of Contents:
- What Is SQL Self Join?
- Syntax Of SQL Self Join.
- Examples Of SQL Self Join.
(1) What Is SQL Self Join?
- When you are joining the same table to itself it’s called Self Join.
(2) Syntax Of SQL Self Join
Syntax:
SELECT column_name(s)
FROM table1 T1, table1 T2
WHERE condition;(3) Examples Of SQL Self Join
Customer:
Example-1:
SELECT A.CustomerName AS CustomerName1, B.CustomerName AS CustomerName2, A.City
FROM Customers A, Customers B
WHERE A.CustomerID <> B.CustomerID
AND A.City = B.City
ORDER BY A.City;