Dynamic OpenQuery into temp table SQL Server

Dear experts,

I would like to create a temp table from a openquery.  like the following
declare @sql varchar(1000)
select @sql = 'select * into #Temp from openquery(Oracle server name, ''select count(*) from SomeTable'')'
exec (@sql)
select * from #Temp

I got a error message saying Invalid object name '#Temp'.

Please help.  Thank you!
SeekAnswerAsked:
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RDWaibelCommented:
Try this:
declare @sql varchar(1000)
select @sql = 'select * into ##Temp from openquery(Oracle server name, ''select count(*) from SomeTable'')'
exec (@sql)
select * from ##Temp


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SeekAnswerAuthor Commented:
Thank you.  It worked!  Since it is a global temp table.  Is there a performance implication?
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RDWaibelCommented:
Only if you don't Delete them when you are done
 
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RDWaibelCommented:
declare @sql varchar(1000)
select @sql = 'select * into ##Temp from openquery(Oracle server name, ''select count(*) from SomeTable'')'
exec (@sql)
select * from ##Temp
Drop Table ##Temp
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AmitGKCommented:
Instead of using fixed table name "##Temp" use a dynamic table name, so you don't have issues when multiple users simultaneously call this code snippet. Sometimes it might result in sending across incorrect data to respective users.

declare @sql varchar(1000), @TempTableName varchar(100)
Select @TempTableName = Replace(convert(varchar(100), NewID()), '-', '')
select @sql = 'select * into ##' + @TempTableName + ' from openquery(Oracle server name, ''select count(*) from SomeTable'')'
exec (@sql)
exec ('select * from ##' + @TempTableName )
exec ('drop table ##' + @TempTableName )
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SeekAnswerAuthor Commented:
Thank you both!  
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Microsoft SQL Server 2005

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