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Applying a filter to unioned results
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À
27/06/2011 11:04:34
Mike Cole
Yellow Lab Technologies
Stanley, Iowa, États-Unis
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Divers
Thread ID:
01516238
Message ID:
01516258
Vues:
32
>>>>>I'm having a Monday morning brain fart. In my query, I am performing a union against several tables to return one result set. I'd like to perform a where clause against that entire result set, but I'm not figuring out how to do it.
>>>>>
>>>>>Something like:
>>>>>
>>>>>
>>>>>SELECT * FROM
>>>>>(
>>>>>   --Union logic here
>>>>>)
>>>>>WHERE MyField = @MyFilter
>>>>>
>>>>
>>>>Try using derived table (or CTE), e.g.
>>>>
>>>>;with cte as (Here goes UNIONoned query)
>>>>
>>>>select * from cte where ...
>>>
>>>Hi Naomi,
>>>Your response took 2 minutes. I'd appreciate it if you could cut that down to 1 minute in the future. I am a busy person. (JUST KIDDING, thanks for the prompt response!)
>>
>>Smart of you to put kidding in upper case as some with big ego will not understand a joke unless you explicitly and unequivocally indicate that you are not serious. This, of course, does not apply to all present in this thread.
>
>I try to be very explicit, especially when dealing with potential language barriers.

I know what you mean. Whenever I talk to people from UK I try to use simpler words <g>.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
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