29 lines
797 B
MySQL
29 lines
797 B
MySQL
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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SELECT /*+ MONITOR LEADING(c,o,oi) FULL(c) INDEX(o) */
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c.customer_id
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, c.cust_first_name ||' '||c.cust_last_name
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, c.credit_limit
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, MAX(oi.unit_price * oi.quantity) avg_order_total
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FROM
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soe.orders o
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, soe.order_items oi
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, soe.customers c
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WHERE
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-- join conditions
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c.customer_id = o.customer_id
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AND o.order_id = oi.order_id
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-- constant filter conditions
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AND c.nls_territory LIKE 'a%'
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AND o.order_mode = 'online'
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AND o.order_status = 5
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GROUP BY
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c.customer_id
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, c.cust_first_name ||' '||c.cust_last_name
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, c.credit_limit
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HAVING
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MAX(oi.unit_price * oi.quantity) > c.credit_limit * 2
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/
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