create algorithm=temptable view aj as select
sporter.sporter_id,name,grade.itemid,itemname,mark from sporter inner join grade on
sporter.sporter_id=grade.sporter_id
inner join item on item.itemid=grade.itemid
where location='一操场';
我这样写在查询是为什么会报错？
mysql> select * from aj;
error 1267 (hy000): illegal mix of collations (utf8_general_ci,implicit) and (gbk_chinese_ci,coer
cible) for operation '='