Create short_cte.sql

kdyl · Feb 11, 2022 · 992570b · 992570b
1 parent cdc3cb6
commit 992570b
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/short_cte.sql b/short_cte.sql
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+WITH table_with_count_products AS (
+  SELECT transaction_id
+        , month
+        , count(product_id) AS count_products
+  FROM transactions
+  GROUP BY transaction_id, month 
+)
+SELECT month
+       , avg(count_products) AS average_product_count
+FROM table_with_count_products
+GROUP BY month