[AccessD] Query Question

Andy Lacey andy at minstersystems.co.uk
Wed Apr 30 14:38:59 CDT 2008


Fair enough. Thanks a million Drew.

-- Andy Lacey
http://www.minstersystems.co.uk 

>-----Original Message-----
>From: accessd-bounces at databaseadvisors.com 
>[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Drew Wutka
>Sent: 30 April 2008 20:05
>To: Access Developers discussion and problem solving
>Subject: Re: [AccessD] Query Question
>
>
>Nope, a subquery will only work returning one record for one 
>field...unless it's in the WHERE statement, where you can use 
>'IN' if you want.
>
>You'd have a problem reversing this by having the result 
>fields show up in the main query, because then it will only 
>run the number of records in LKUP, not the number in Table1.
>
>Drew
>
>-----Original Message-----
>From: accessd-bounces at databaseadvisors.com
>[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Andy Lacey
>Sent: Wednesday, April 30, 2008 12:55 PM
>To: 'Access Developers discussion and problem solving'
>Subject: Re: [AccessD] Query Question
>
>Works like a dream Drew, you're a star as ever. Is there any 
>way of streamlining it to return more than 1 value from the 
>subquery? Something like
>
>SELECT T1.LookupValue, (SELECT Result1, Result2 FROM LKUP 
>WHERE RangeStart<=T1.LookupValue AND RangeEnd>=T1.LookupValue) 
>FROM Table1 as T1
>
>Only I know that doesn't work cos I've tried it. Says 
>something about the EXISTS keyword, and I don't know about that.
>
>-- Andy Lacey
>http://www.minstersystems.co.uk 
>
>
>
>>-----Original Message-----
>>From: accessd-bounces at databaseadvisors.com
>>[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Drew Wutka
>>Sent: 30 April 2008 17:26
>>To: Access Developers discussion and problem solving
>>Subject: Re: [AccessD] Query Question
>>
>>
>>If your database is properly indexed yes.  They do great.
>>
>>Drew
>>
>>-----Original Message-----
>>From: accessd-bounces at databaseadvisors.com
>>[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Andy Lacey
>>Sent: Wednesday, April 30, 2008 11:02 AM
>>To: Access Developers discussion and problem solving
>>Subject: Re: [AccessD] Query Question
>>
>>There you see, that's just the sort of thing I had in mind.
>>Thanks Drew. I just knew the answer was something like this 
>>but couldn't have come up with the syntax. Do these subqueries 
>>perform ok though?
>>
>>--
>>Andy Lacey
>>http://www.minstersystems.co.uk
>>
>>
>>
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>
>
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