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			47 lines
		
	
	
		
			880 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			880 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
| -- $ID$
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| -- TPC-H/TPC-R Volume Shipping Query (Q7)
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| -- Functional Query Definition
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| -- Approved February 1998
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| :x
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| :o
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| select
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| 	supp_nation,
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| 	cust_nation,
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| 	l_year,
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| 	sum(volume) as revenue
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| from
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| 	(
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| 		select
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| 			n1.n_name as supp_nation,
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| 			n2.n_name as cust_nation,
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| 			extract(year from l_shipdate) as l_year,
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| 			l_extendedprice * (1 - l_discount) as volume
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| 		from
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| 			supplier,
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| 			lineitem,
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| 			orders,
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| 			customer,
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| 			nation n1,
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| 			nation n2
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| 		where
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| 			s_suppkey = l_suppkey
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| 			and o_orderkey = l_orderkey
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| 			and c_custkey = o_custkey
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| 			and s_nationkey = n1.n_nationkey
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| 			and c_nationkey = n2.n_nationkey
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| 			and (
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| 				(n1.n_name = ':1' and n2.n_name = ':2')
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| 				or (n1.n_name = ':2' and n2.n_name = ':1')
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| 			)
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| 			and l_shipdate between date '1995-01-01' and date '1996-12-31'
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| 	) as shipping
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| group by
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| 	supp_nation,
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| 	cust_nation,
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| 	l_year
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| order by
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| 	supp_nation,
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| 	cust_nation,
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| 	l_year;
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| :n -1
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