shigemk2 https://blog.hatena.ne.jp/shigemk2/ by shigemk2 https://www.shigemk2.com/ presto WITH a AS ( SELECT * FROM a ), b AS ( SELECT * FROM b -- ココ。↑のa bがそのまま使える。 ), c AS ( SELECT * FROM a WHERE id IN (SELECT id FROM b) ) SELECT COUNT(1) FROM a INNER JOIN b ON a.id = b.id WITH句の中で、前に定義したWITH句のテーブルが使える。 www.shigemk2.com 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2019%2F03%2F29%2F145929" title="PrestoでWITHを複数使う その2 - by shigemk2" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2019-03-29 14:59:29 rich https://www.shigemk2.com/entry/2019/03/29/145929 1.0 100%