Create 1795-rearrange-products-table.sql

Author: everthis

1795-rearrange-products-table.sql

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+# Write your MySQL query statement below
+SELECT product_id, 'store1' AS store, store1 AS price FROM Products WHERE store1 IS NOT NULL
+UNION 
+SELECT product_id, 'store2' AS store, store2 AS price FROM Products WHERE store2 IS NOT NULL
+UNION 
+SELECT product_id, 'store3' AS store, store3 AS price FROM Products WHERE store3 IS NOT NULL
+
+ORDER BY 1,2 ASC;