mysql replacement function replace () to achieve the specified replacement string field mysql

Alternatively the string implementation mysql:

mysql replace the function directly replace mysql database in a field of a specific string, no longer need to write a function to replace, very convenient to use. mysql replacement function replace ()

 

UPDATE `table_name` SET `field_name` = replace (`field_name`,'from_str','to_str') WHERE `field_name` LIKE '%from_str%'

 

Description:

The name of the table - table_name

field_name - field name

from_str - string needs to be replaced

to_str - replace string

E.g:

mysql> SELECT REPLACE('www.lvtao.net', 'www', 'http://www');

-> 'https://www.lvtao.net'

This function is multi-byte safe , which means you do not have to consider is Chinese characters or English characters.