•10:37 AM
SQL - DISTINCT
The DISTINCT keyword can be used to return only distinct (different) values.
Main Table
1. SELECT DISTINCT Customer_Name
FROM customer
2. SELECT DISTINCT Customer_Name FROM customer WHERE Cus_Id = 5
3. SELECT DISTINCT Customer_Name
FROM customer
ORDER BY Customer_Name
4. SELECT DISTINCT Customer_Name
FROM customer
ORDER BY Customer_Name DESC
5. SELECT DISTINCT Customer_Name, Order_Date
FROM customer
6. SELECT DISTINCT Customer_Name, Order_Date
FROM customer
WHERE Cus_Id = 4
7. SELECT DISTINCT Customer_Name, Order_Date
FROM customer
ORDER BY Customer_Name, Order_Date
8. SELECT DISTINCT Customer_Name, Order_Date
FROM customer
ORDER BY Customer_Name, Order_Date DESC
9. SELECT DISTINCT Customer_Name, Order_Date
FROM customer
ORDER BY Customer_Name DESC, Order_Date DESC