Create 1581-customer-who-visited-but-did-not-make-any-transactions.sql

Author: everthis

1581-customer-who-visited-but-did-not-make-any-transactions.sql

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+# Write your MySQL query statement below
+SELECT customer_id, COUNT(*) as count_no_trans
+FROM Visits
+WHERE visit_id NOT IN (SELECT DISTINCT visit_id FROM Transactions)
+GROUP BY customer_id;