總結:mysql
utf8_unicode_ci和utf8_general_ci對中、英文來講沒有實質的差異。
utf8_general_ci校對速度快,但準確度稍差。
utf8_unicode_ci準確度高,但校對速度稍慢。sql
在 my.cnf中增長下列參數spa
[mysqld] init_connect='SET NAMES utf8′ default-character-set=utf8 default-collation = utf8_general_ci
執行查詢 mysql> show variablescode
character_set_client | utf8 character_set_connection | utf8 character_set_database | utf8 character_set_results | utf8 character_set_server | utf8 character_set_system | utf8collation_connection | utf8_general_ci collation_database | utf8_general_ci collation_server | utf8_general_ci