SQL
What are alias in SQL
Alias in SQL is used to attribute a temporary name for a Table to reduce the amount of coding.
Alias in SQL is supported by most database management systems.
Example:
Input Data:
Product_id | P_name | Price | section |
210 | Keyboard | 50.88 | Computers |
250 | Mouse | 15.50 | Computers |
220 | Mouse Pad | 20.30 | Computers |
320 | Iphone | 1080.99 | Phones |
Create Table Products (Product_id int, P_name varchar, Price float, section varchar(30));
insert into Products values (210, ‘Keyboard’, 50.88, ‘Computers’),
(250, ‘Mouse’, 15.50, ‘Computers’),
(220, ‘Mouse Pad’, 20.30, ‘Computers’),
(320, ‘Iphone, 1080.99, ‘Phone);
SQL command:
select P.Price, P.P_name from products as P
where Price<60;