Maison > Article > base de données > mysql-MySQL错误Every derived table must have its own alias
mysql
SELECT *
from (select *
from student
where dept_name = 'Comp.Sci.')
natural full outer join
(select *
from takes
where semester = 'Spring' and year = 2009 ) as aa ;
<code> 到底怎么改 T-T</code>