ä和a插入到唯一键时总提示重复
总提示:Duplicate entry 'a' for key 'name'
后来发现我用的COLLATE是utf8_general_ci,改为utf8_bin即可,命令如下:
ALTER TABLE table CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;
注意加上“
CONVERT TO
”
看样做国际化站点最好用区分大小的编码
参考问答:http://stackoverflow.com/questions/6466901/mysql-distinction-between-e-and-%C3%A9-e-acute-index-unique-problem