31 lines
678 B
SQL
31 lines
678 B
SQL
SELECT
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nation,
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o_year,
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sum(amount) AS sum_profit
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FROM (
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SELECT
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n_name AS nation,
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extract(year FROM o_orderdate) AS o_year,
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l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity AS amount
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FROM
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part,
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supplier,
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lineitem,
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partsupp,
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orders,
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nation
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WHERE
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s_suppkey = l_suppkey
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AND ps_suppkey = l_suppkey
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AND ps_partkey = l_partkey
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AND p_partkey = l_partkey
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AND o_orderkey = l_orderkey
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AND s_nationkey = n_nationkey
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AND p_name LIKE '%green%') AS profit
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GROUP BY
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nation,
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o_year
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ORDER BY
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nation,
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o_year DESC;
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