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Most Recent date query

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Topic

icw
Constraint Violating Yak Guru

378 Posts

Posted - 2013-05-02 : 11:56:19

Hi
I have to write a query that shows 2 columns (Name, Most Recent Activity)

There are two table Table1 has the name and is the primary table
Table2 is a calendar table with many rows for each table1 row. (Although some names will have no rows in table2)
SO I think it is a left join
but I don't know how to do it.

Lamprey
Master Smack Fu Yak Hacker

4614 Posts

Posted - 2013-05-02 : 12:07:43

Something like this?

SELECT 
	Table1.Name,
	MAX(Table2.Date) AS MostRecentActivity
FROM 
	Table1
LEFT OUTER JOIN
	Table2
	ON Table1.Name = Table2.Name
GROUP BY
	Table1.name

If that doesn't help, check these links for how to ask your question in a way that makes it eaiser for us to help you:

http://www.sqlservercentral.com/articles/Best+Practices/61537/
http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx

icw
Constraint Violating Yak Guru

378 Posts

Posted - 2013-05-02 : 14:59:35

thanks lamprey :O)

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