I would create a room history table that contained three fields: room
number, status, date stamp. Each time the status of a room changes
insert a new record into the table with the current status and date/
On Aug 18, 2009, at 10:45 AM, Behzad wrote:
I'm faced with an interesting and challenging problem.
Consider a database, designed for a hotel.
At any given time, each room has a different status: It's Busy or
It's easy to retrieve number of Free rooms at the current time.
But how can I count the number of rooms that were busy during the
I would appreciate if you take a brief moment of your time and share
Thank you in advance,
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