length
description
Syntax
INT length(VARCHAR str)
返回字符串的字节。
example
mysql> select length("abc");
+---------------+
| length('abc') |
+---------------+
| 3 |
+---------------+
mysql> select length("中国");
+------------------+
| length('中国') |
+------------------+
| 6 |
+------------------+keywords
LENGTH