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Editorial Team
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Asked: 2026-05-15T23:59:22+00:00

I’m maintaining a reservation’s system for a holiday park. I was wondering if it

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I’m maintaining a reservation’s system for a holiday park. I was wondering if it is common practice to keep a Available Accommodations table which could look like this:

Acc    AvailableFrom    AvailableTo
1      7/1/2010         7/31/2010
2      7/8/2010         7/15/2010
3      7/15/2010        7/20/2010

Because I think it is easier to find an available accommodation this way. Everytime a reservation is made or changed, the Available Accommodations table is updated.

Or is this cumbersome and inefficient?

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1 Answer

  1. Editorial Team

    I don’t think this is common; availability is usally inferred from the fact that there is no reservation at a specific time. That way, you’re always sure that the availability information is up-to-date with the actual bookings.

    To make things easier for yourself, you could create a view “Availability” which renders this information.

    Now you’re about to duplicate information, which is exactly what you shouldn’t want in a database, unless you’re doing it for very specific, well thought-out reasons.

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