2026-03-12 20:23:15

tpt/ast/04_cbo_troubleshoot_1.sql

@@ -0,0 +1,45 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+SELECT /*+ opt_param('_optimizer_use_feedback', 'false') */
+    d.department_name
+  , e.first_name
+  , e.last_name
+  , prod.product_name
+  , c.cust_first_name
+  , c.cust_last_name
+  , SUM(oi.quantity)
+  , sum(oi.unit_price * oi.quantity) total_price
+FROM
+    oe.orders      o
+  , oe.order_items oi
+  , oe.products    prod
+  , oe.customers   c
+  , oe.promotions  prom
+  , hr.employees   e
+  , hr.departments d
+WHERE
+   -- joins
+    o.order_id          = oi.order_id
+AND oi.product_id       = prod.product_id 
+AND o.promotion_id      = prom.promo_id (+)
+AND o.customer_id       = c.customer_id
+AND o.sales_rep_id      = e.employee_id
+AND d.department_id     = e.department_id
+   -- filters
+AND d.department_name   = 'Sales'
+AND e.first_name        = 'William'
+AND e.last_name         = 'Smith'
+AND prod.product_name   = 'Mobile Web Phone'
+AND c.cust_first_name   = 'Gena'
+AND c.cust_last_name    = 'Harris'
+GROUP BY
+    d.department_name
+  , e.first_name
+  , e.last_name
+  , prod.product_name
+  , c.cust_first_name
+  , c.cust_last_name
+ ORDER BY
+    total_price
+/