SQL LCASE()Function

LCASE() Function

The LCASE() function converts the value of a field 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 EXAMPLE sample database.

The following is data selected from the "Websites" table:

+----+--------------+---------------------------+-------+---------+
| id | name         | url                       | alexa | country |
+----+--------------+---------------------------+-------+---------+
| 1  | Google       | https://www.google.cm/    | 1     | USA     |
| 2  | 淘宝          | https://www.taobao.com/   | 13    | CN      |
| 3  | Example      | http://www.example.com/    | 4689  | CN      |
| 4  | 微博          | 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 values in the "name" column to lowercase:

Example

SELECT LCASE(name) AS site_title, url
FROM Websites;

The output of the above SQL execution is as follows:

Other Extensions