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Sql server 2008 Linq,SQLServer-性能_Sql Server 2008 - Fatal编程技术网

Sql server 2008 Linq,SQLServer-性能

Sql server 2008 Linq,SQLServer-性能,sql-server-2008,Sql Server 2008,我有一个例子: select count(1) from product where (product.loaisanpham = 10) =>结果=100 select count(1) from product where (product.giasanpham > 10000) =>结果=5000000 现在,我有两个问题: 1. select * from product where (product.loaisanpham = 10 and product.giasanpha

我有一个例子:

select count(1) from product where (product.loaisanpham = 10)
=>结果=100

select count(1) from product where (product.giasanpham > 10000)
=>结果=5000000 现在,我有两个问题:

1. select * from product where (product.loaisanpham = 10 and product.giasanpham > 10000)
2. select * from product where (product.giasanpham > 10000 and product.loaisanpham = 10)
哪一个更快(1)还是(2)? 我正在使用SQL Server。 我记得当我使用mongodb时,(1)更快(2)

“哪个更快(1)还是(2)?”-你告诉我们!在mongodb中(1)速度更快。在sql server中,我认为它们是相同的