Re: Help with a COUNT / SELECT query

SELECT COUNT(WMS_Area.Area_ID) AS complete_areas FROM WMS_Area, WMS_Bookings WHERE WMS_Area.Area_ID = WMS_Bookings.Area_ID AND MIN(WMS_Bookings.Booking_Status) = 2 GROUP BY WMS_Area.Area_ID Or something like that.. there's probably a better way to do it.. On Fri January 23 2004 1:05 pm, Shaun wrote: > Thanks for your reply, > > but that only tells me how many complete Bookings there are. I need to know > how many Areas are complete i.e. for each Area where Bookings take place, > all of those Bookings have been completed. > > Any ideas? > > "Oòvn?Oòsis" <martin@bugs.unl.edu.ar> wrote in message > news:1074891125.4011897544054@bugs.unl.edu.ar... > > > Mensaje citado por Shaun <shaun@mania.plus.com>: > > > Hi, > > > > > > I have a Bookings application. When a Booking is made it is entered in > > to > > > > the Bookings table. Bookings take place at Areas, held in the Areas > > table. > > > > Each Area has a unique Area_ID held in the Bookings table for each > > Booking. > > > > Each Booking needs to be completed and when done so the Booking_Status > > for > > > > each Booking is updated to '2'. An Area is complete when all Bookings > > > at that > > > Area have been completed. How can I run a query that tells me how many > > > completed Areas there are in the system? > > > > SELECT count(*) FROM WMS_Bookings WHERE Booking_Status = 2; > > > > Saludos... :-) > > > > > Thanks for your help > > > > > > CREATE TABLE WMS_Bookings ( > > > Booking_ID int(11) DEFAULT '' NOT NULL auto_increment, > > > User_ID int(11) DEFAULT '0' NOT NULL , > > > Project_ID int(11) DEFAULT '0' NOT NULL , > > > Area_ID int(11) DEFAULT '0' NOT NULL , > > > Booking_Start_Date datetime DEFAULT '0000-00-00 00:00:00' NOT NULL , > > > Booking_End_Date datetime DEFAULT '0000-00-00 00:00:00' NOT NULL , > > > Booking_Completion_Date date , > > > Booking_Status int(2) DEFAULT '0' NOT NULL , > > > Additional_Notes text , > > > PRIMARY KEY (Booking_ID) > > > ); > > > > > > CREATE TABLE WMS_Area ( > > > Area_ID int(11) DEFAULT '' NOT NULL auto_increment, > > > Area_Name varchar(40) DEFAULT '' NOT NULL , > > > Area_Address varchar(255) DEFAULT '' NOT NULL , > > > Area_Postcode varchar(10) DEFAULT '' NOT NULL , > > > Area_Telephone varchar(15) DEFAULT '' NOT NULL , > > > PRIMARY KEY (Area_ID) > > > ); > > > > > > -- > > > PHP Database Mailing List (http://www.php.net/) > > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > -- > > select 'mmarques' || '@' || 'unl.edu.ar' AS email; > > ------------------------------------------------------- > > Martín Marqués | Programador, DBA > > Centro de Telemática | Administrador > > Universidad Nacional > > del Litoral > > -------------------------------------------------------