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18 lines
398 B
18 lines
398 B
-- $ID$
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-- TPC-H/TPC-R Promotion Effect Query (Q14)
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-- Variant A
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-- Approved March 1998
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:x
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:o
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select
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100.00 * sum(decode(substring(p_type from 1 for 5), 'PROMO',
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l_extendedprice * (1-l_discount), 0)) /
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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 ':1'
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and l_shipdate < date ':1' + interval '1' month;
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:n -1
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