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create proc R_ProductUse_M(@id1 int,@id2 int,@id3 int) as begin ---临时表1 select a.id1,b.id2,c.id3 into #linshi_1 from table_a as a,table_b as b,table_c as c where a.id1=@id2---临时表2 select c.id3,sum(a.l2),month(b.l3),b.l1 into #linshi_2 from table_a as a,table_b as b,table_c as c where a.id1=@id1group by month(b.13) ---结果 select #linshi_1.id1,#linshi_1.id2from #linshi_1 left join #linshi_2 on #linshi_1.id1=#linshi_2.id2 end go
一个#为局部变量、这样的临时表只能在该存储过程中使用
二个##为全局临时表,可以在存储过程外使用,需要手动删除 drop table ##表名
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原文地址:http://www.cnblogs.com/lovejunjuan/p/4744174.html