1d9b3aeee7
The error format '##keyword' in a lot of docs. This pr is to repair document format. #4335
1.4 KiB
1.4 KiB
title, language
| title | language |
|---|---|
| CHAR_LENGTH | zh-CN |
char_length
description
Syntax
INT char_length(VARCHAR str)
返回字符串的长度，对于多字节字符，返回字符数, 目前仅支持utf8 编码。这个函数还有一个别名 character_length。
example
mysql> select char_length("abc");
+--------------------+
| char_length('abc') |
+--------------------+
| 3 |
+--------------------+
mysql> select char_length("中国");
+------------------- ---+
| char_length('中国') |
+-----------------------+
| 2 |
+-----------------------+
keyword
CHAR_LENGTH, CHARACTER_LENGTH