"Tejas" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I have a table 'stats' with following schema > date varchar (25), utilization int, os_name varchar(25) ... > > I am recording host utilization for windows and linux operating > systems (os_names) at various times in a day in this table. The date > column has a format of yyyy-mm-dd. > > I want to do the following: > 1. select top utilization for each day for all days recorded so far.
select date, max(utilization) group by date; > 2. display a table with columns: date, utilization_linux, > utilization_windows from the recorded data. select date, max(case when os_name='linux' then utilization else 0 end) utilization_linux, max(case when os_name='windows' then utilization else 0 end) utilization_windows group by date; Igor Tandetnik _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users