33 lines
580 B
SQL
33 lines
580 B
SQL
SELECT
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c_custkey,
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c_name,
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sum(l_extendedprice * (1 - l_discount)) AS revenue,
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c_acctbal,
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n_name,
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c_address,
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c_phone,
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c_comment
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FROM
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customer,
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orders,
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lineitem,
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nation
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WHERE
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c_custkey = o_custkey
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AND l_orderkey = o_orderkey
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AND o_orderdate >= CAST('1993-10-01' AS date)
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AND o_orderdate < CAST('1994-01-01' AS date)
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AND l_returnflag = 'R'
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AND c_nationkey = n_nationkey
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GROUP BY
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c_custkey,
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c_name,
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c_acctbal,
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c_phone,
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n_name,
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c_address,
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c_comment
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ORDER BY
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revenue DESC
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LIMIT 20;
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