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joseantoniochacon · May 31, 2024 · 46813df · 46813df
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commit 46813df
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/...not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql b/...not-make-any-transactions/1581-customer-who-visited-but-did-not-make-any-transactions.sql
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+# Write your MySQL query statement below
+SELECT Visits.customer_id, COUNT(*) AS count_no_trans FROM Visits LEFT JOIN Transactions ON Visits.visit_id = Transactions.visit_id WHERE Transactions.transaction_id IS NULL GROUP BY Visits.customer_id;