solve friends requests i

yosuke-furukawa · Sep 22, 2020 · b03d745 · b03d745
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commit b03d745
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/frinds-requests-i/solution.sql b/frinds-requests-i/solution.sql
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+# Write your MySQL query statement below
+SELECT COALESCE(ROUND(e1.accepts/e2.requests,2), 0) as accept_rate FROM
+  (SELECT COUNT(DISTINCT requester_id, accepter_id) as accepts FROM request_accepted) e1,
+  (SELECT COUNT(DISTINCT sender_id, send_to_id) as requests FROM friend_request) e2;
+