duration query: how to ?

2006-05-18 Thread Bedford Bob
Hi, My clients can put their articles on my website. They pay for the real utilisation of the site. If a client has used 2 slots for all year, then he pays for them. Now my articles table has a starddate (when the client has started to sell his product) and an enddate (when the article is

Re: duration query: how to ?

2006-05-18 Thread Barry
Bedford Bob schrieb: Hi, My clients can put their articles on my website. They pay for the real utilisation of the site. If a client has used 2 slots for all year, then he pays for them. Now my articles table has a starddate (when the client has started to sell his product) and an enddate

Re: duration query: how to ?

2006-05-18 Thread Peter Brawley
Bob I'd like to retrieve the total amount of time the articles have been in the site from 2005-01-01 to 2005-01-31 and divide them by 365 (or 366 if leap year). In a valid-time app like yours, it is usually more sound to mark current with a far-in-the-future date than with NULL. Arguably,

Re: duration query: how to ?

2006-05-18 Thread John Hicks
Bedford Bob wrote: I'd like to retrieve the total amount of time the articles have been in the site from 2005-01-01 to 2005-01-31 and divide them by 365 (or 366 if leap year). if an article has been online from 2004-10-01 to null (meaning the article hasn't been sold yet) then I may count 365