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16 lines
366 B
SQL
16 lines
366 B
SQL
-- using default substitutions
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select
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100.00 * sum(case
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when p_type like 'PROMO%'
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then l_extendedprice * (1 - l_discount)
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else 0
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end) / sum(l_extendedprice * (1 - l_discount)) as promo_revenue
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from
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lineitem,
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part
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where
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l_partkey = p_partkey
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and l_shipdate >= date '1995-09-01'
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and l_shipdate < date '1995-09-01' + interval '1' month;
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