Re: [SQL] SQL Query Newbie Help

2006-03-27 Thread Jim C. Nasby
On Fri, Mar 24, 2006 at 02:29:10PM -0800, Stephan Szabo wrote: > > On Fri, 24 Mar 2006, Julie Robinson wrote: > > > This works, but is there a better solution? > > > > select * > > from quality_control_reset T > > where date = ( > > select max(date) > > from quality_control_reset > >

Re: [SQL] SQL Query Newbie Help

2006-03-24 Thread Stephan Szabo
On Fri, 24 Mar 2006, Julie Robinson wrote: > This works, but is there a better solution? > > select * > from quality_control_reset T > where date = ( > select max(date) > from quality_control_reset > where qualitycontrolrange = T.qualitycontrolrange); If you can use PostgreSQL extens

Re: [SQL] SQL Query Newbie Help

2006-03-24 Thread Julie Robinson
This works, but is there a better solution? select * from quality_control_reset T where date = ( select max(date) from quality_control_reset where qualitycontrolrange = T.qualitycontrolrange); Julie Robinson wrote: Given the two tables at the bottom of this email, I'm having trouble c

[SQL] SQL Query Newbie Help

2006-03-24 Thread Julie Robinson
Given the two tables at the bottom of this email, I'm having trouble coming up with a SQL statement that returns all rows in the quality_control_reset table where there is only one row for the most recent quality_control_range. Help? Example: In table quality_control_reset: id | timesta