simple SQL 12 code error

--Learning to code SQL, have error, don't understand why is the error. Please ----explain.Thanks
----------------------------------------------------------
USE [AdventureWorks2012]
select BusinessEntityID, Rate, NtileRanking, rank() Over(partition by NtileRanking order by Rate desc)as RankingWithinNtile
from (select BusinessEntityID, Rate,
    Ntile(4) Over (Order by Rate Desc) as NtileRanking
from HumanResources.EmployeePayHistory)



--Msg 102, Level 15, State 1, Line 5
--Incorrect syntax near ')'.
TickTechAsked:
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DcpKingCommented:
You forgot to give the subquery a name - simply add a letter at the very end of your query!

select	x.BusinessEntityID, 
		x.Rate, 
		x.NtileRanking, 
		rank() Over(partition by x.NtileRanking 
			order by x.Rate desc) as 'RankingWithinNtile'
from (	select	/*BusinessEntityID*/ 1 as 'BusinessEntityID', 
				Rate, 
				Ntile(4) over (Order by Rate Desc) as 'NtileRanking'
		from HumanResources.EmployeePayHistory	) x

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I've put in the alias references to show why they're needed, but actually T-SQL will default to them.

hth

Mike
0

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TickTechAuthor Commented:
Thank you for your help.
0
DcpKingCommented:
My pleasure!
0
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Microsoft SQL Server 2008

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