41 lines
643 B
SQL
41 lines
643 B
SQL
-- $ID$
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-- TPC-H/TPC-R Potential Part Promotion Query (Q20)
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-- Function Query Definition
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-- Approved February 1998
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select
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s_name,
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s_address
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from
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supplier,
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nation
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where
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s_suppkey in (
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select
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ps_suppkey
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from
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partsupp
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where
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ps_partkey in (
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select
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p_partkey
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from
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part
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)
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and ps_availqty > (
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select
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0.5 * sum(l_quantity)
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from
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lineitem
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where
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l_partkey = ps_partkey
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and l_suppkey = ps_suppkey
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and l_shipdate >= date '1994-01-01'
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and l_shipdate < date '1994-01-01' + interval '1 year'
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)
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)
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and s_nationkey = n_nationkey
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and n_name = 'CANADA'
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order by
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s_name;
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