Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPL
记录一次sql语句执行错误:leftjoin表会出现Illegalmixofcollations(utf8_general_ci,IMPLICIT)and(utf8_croatian_ci,IMPLICIT)foroperation'='错误.这是由于表的编码格式不一致例如某个表的字符编码为utf8_general_ci而关联表的字符编码为utf8_croatian_ci导致当前错误!永久的解决方