How to display character length in MySQL

Character length

Command: select char_length('andyqan').

Function: Display the specified character length.

Application scenario: When checking the character length.

Example:

mysql> select char_length('andyqian');
+-------------------------+
| char_length('andyqian') |
+-------------------------+
|   8 |
+-------------------------+
1 row in set (0.00 sec)

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