replace
description
Syntax
VARCHAR REPLACE (VARCHAR str, VARCHAR old, VARCHAR new)
将str字符串中的old子串全部替换为new串
example
mysql> select replace("http://www.baidu.com:9090", "9090", "");
+------------------------------------------------------+
| replace('http://www.baidu.com:9090', '9090', '') |
+------------------------------------------------------+
| http://www.baidu.com: |
+------------------------------------------------------+keywords
REPLACE