Optimize subquery, replace IN() with JOIN
Hello,
I have sql query with two in() subqueries, they are returning correct 10 sorted results, but complete query it's terrible slow, over 5 minutes waiting.
SELECT id, title, alias
FROM content
WHERE published = '1'
AND typ = 'actual'
AND id
IN (
SELECT content_id
FROM category_content_se
WHERE category_id
IN (
SELECT category_id
FROM category_content_se
WHERE content_id = '11430'
)
AND content_typ = 'actual'
)
ORDER BY date_add DESC
LIMIT 10
Can someone please help me how to write same query using JOINs ?
Server is MySQLv5.6
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Optimize subquery, replace IN() with JOIN
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