Create 1607-sellers-with-no-sales.sql

Author: everthis

1607-sellers-with-no-sales.sql

@@ -0,0 +1,9 @@
+# Write your MySQL query statement below
+SELECT DISTINCT seller_name
+FROM seller s
+WHERE seller_id NOT IN (
+    SELECT DISTINCT seller_id 
+    FROM orders
+    WHERE YEAR(sale_date) = 2020
+)
+ORDER BY 1;