Tuesday, October 3, 2023

INNER JOIN in SQL

 

Cú pháp câu lệnh: 
SELECT column_name(s)
FROM table1
INNER JOIN table2
ON table1.column_name = table2.column_name;

Ví dụ: 
SELECT Orders.OrderID, Customers.CustomerName
FROM Orders
INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID;