How to average/sum data in a day in SQL Server 2005

Question

I\'m trying to average data in SQL Server 2005 in a day. Here is what my database look like this if I use simple query as

SELECT timestamp, FEED
FROM ROASTE         


        

Answer 1

Check out some of the tutorials from here http://www.smallsql.de/doc/sql-functions/date-time/index.html ive been looking for something simialr and found that site useful and thought it may help