Syntax
CHARACTER_LENGTH(str)
Purpose
CHARACTER_LENGTH() is an alias for CHAR_LENGTH().
Examples
obclient> SELECT CHARACTER_LENGTH('China'), LENGTH('China'),CHARACTER_LENGTH('hello');
+----------------------------+------------------+---------------------------+
| CHARACTER_LENGTH('China') | LENGTH('China') | CHARACTER_LENGTH('hello') |
+----------------------------+------------------+---------------------------+
| 2 | 6 | 5 |
+----------------------------+------------------+---------------------------+
1 row in set