My command worked and when I tried inserting it again, I keep getting this error: Every derived table must have its own alias..
This is my command:
SELECT s1.*
FROM subpages AS s1
INNER JOIN (
SELECT s2.*
FROM subsubpages AS s2
) ON s1.subpage_id = s2.subpage_id
WHERE s1.page_id = 18;
I have different alias for both tables.. Any idea why I still get this error?
You need an alias for the subquery:
SELECT s1.*
FROM subpages s1 INNER JOIN
(SELECT s2.*
FROM subsubpages s2
) s2
-------^ this one here
ON s1.subpage_id = s2.subpage_id
WHERE s1.page_id = 18;
Note: Your subquery is totally unnecessary. I would advise you to remove it.