From 7ad3582fac90a3c10b73118d40e28b06a13c3573 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Antonio=20Chac=C3=B3n=20Guti=C3=A9rrez?= <138903866+joseantoniochacon@users.noreply.github.com> Date: Sat, 28 Sep 2024 15:35:10 -0600 Subject: [PATCH] Time: 667 ms (81.80%), Space: 0B (100.00%) - LeetHub --- 0196-delete-duplicate-emails/0196-delete-duplicate-emails.sql | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 0196-delete-duplicate-emails/0196-delete-duplicate-emails.sql diff --git a/0196-delete-duplicate-emails/0196-delete-duplicate-emails.sql b/0196-delete-duplicate-emails/0196-delete-duplicate-emails.sql new file mode 100644 index 0000000..918983c --- /dev/null +++ b/0196-delete-duplicate-emails/0196-delete-duplicate-emails.sql @@ -0,0 +1,2 @@ +# Write your MySQL query statement below +DELETE FROM Person WHERE id NOT IN (SELECT id FROM (SELECT MIN(id) AS id, email FROM Person GROUP BY email) unique_emails); \ No newline at end of file