Hi Patric,
You might be better off by creating lookup tables for your criteria, and
performing the search using a join, rather than storing the lists of
matching criteria.
Simply make a table with hotel_ID (whatever the primary key is) and the
primary key of the criteria item. It might look like this:
Hotel_ID Criteria_ID
1 21
1 14
1 13
1 3
2 12
2 21
2 10
and so on. The criteria table would look like:
Criteria_ID CriteriaText
1 Swimming Pool
2 Family Friendly
3 24 Hour Room Service
5 Concierge
6 Business Center
and so on.
While making it far easier to retrieve values, it also makes maintenance and
modification much simpler.
Good luck!
Jeff B.
-----Original Message-----
From: Patric Stumpe [mailto:[EMAIL PROTECTED]]
Sent: Saturday, January 13, 2001 10:01 AM
To: CF-Talk
Subject: Comparing 2 Lists in a query
Hi folks,
I actually got a problem I don't know how to solve. I have form-page where
you can search for hotels. You can enter the city, the zip-code and enter
some check some criterias the hotel should have like family-friendly, allow
pets, swimming-pool and so on. These criterias are checkboxes with name
'merkale' and each criteria has it's own number as value. The hotels have
also a list 'merkmale' in the table 'hotels'.
My problem is how to check if all the list-values in 'form.merkmale' from
the search-page are in 'hotels.merkmale'. I tried it with a loop in the
query but i can't figure out the right syntax. The values from the
search-page are properly posted to the result page.
So I hope anyone can help.
Thanks in advance...
Patric Stumpe
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