SQL LCASE()
SQL LCASE() Function
LCASE() Function
LCASE() function converts the field value to lowercase .
SQL LCASE() syntax
SELECT LCASE(column_name) FROM table_name;
Syntax for SQL Server
SELECT LOWER(column_name) FROM table_name;
Demo database
In this tutorial, we will use the php sample database.
The following is the data selected from the "Websites" table:
+----+--------------+--- ------------------------+------+---------+
| id | name | url --------+-------+---------+
| 1 | Google | https://www.google.cm/ | 1 | USA |
| 2 | Taobao | https://www.taobao.com/ | 13 | CN |
| 3 | php Chinese website | http://www.php.cn/ | 4689 | CN |
| 4 | Weibo | http://weibo.com/ | 20 | CN |
| 5 | Facebook | https://www.facebook.com/ | 3 | USA |
| 7 | stackoverflow | http://stackoverflow.com/ | 0 | IND |
+----+---------------+----------- ----------------+-------+---------+
| id | name | url --------+-------+---------+
| 1 | Google | https://www.google.cm/ | 1 | USA |
| 2 | Taobao | https://www.taobao.com/ | 13 | CN |
| 3 | php Chinese website | http://www.php.cn/ | 4689 | CN |
| 4 | Weibo | http://weibo.com/ | 20 | CN |
| 5 | Facebook | https://www.facebook.com/ | 3 | USA |
| 7 | stackoverflow | http://stackoverflow.com/ | 0 | IND |
+----+---------------+----------- ----------------+-------+---------+
SQL LCASE( ) Example The following SQL statement selects the "name" and "url" columns from the "Websites" table, and converts the value of the "name" column to lowercase:
Example SELECT LCASE(name) AS site_title, url![](https://img.php.cn/upload/course/000/000/004/580484c350b4f146.jpg)
FROM Websites;
Execute the above SQL and the output result is as follows:![](https://img.php.cn/upload/course/000/000/004/580484c350b4f146.jpg)