Hey there peoples, anyone else working the weekend shift?

I gotta SQL question..

Imagine a database of news articles, each with an individual date, but
they are also grouped into issues, so a select might look like:

SELECT articleTitle, articleDate, articleIssueID
FROM myArticles
ORDER BY  articleIssueID

Now, I want to select only the latest article from each issue in a
single query. Any ideas how I would do this?

The dodgy way would be to go:

<CFQUERY name="blah">
 SELECT articleTitle, articleDate, articleIssueID
 FROM myArticles
 ORDER BY  articleIssueID
</CFQUERY>

<CFLOOP query="blah">
 <CFQUERY name="latestArticle">
  SELECT TOP 1 articleTitle, articleDate, articleIssueID
  FROM myArticles
  WHERE articleIssueID = #articleIssueID#
  ORDER BY  articleDate DESC
 </CFQUERY>

 ...

</CFLOOP>

But that means doing a query on every iteration of the loop.. I'm sure
theres a way to do this in one query using some sort of grouping, but
it escapes me...

thanks...


-----------------------
Ryan Sabir
Newgency Pty Ltd
2a Broughton St
Paddington 2021
Sydney, Australia
Ph (02) 9331 2133
Fax (02) 9331 5199
Mobile: 0411 512 454
http://www.newgency.com/index.cfm?referer=rysig 


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