Thanks for your feedback.
It is possible to ensure certain formats for the text column prior to
saving it to a database. This makes querying this data quite easy in
fact. Just because the user entered in a form like 2/12/1980, doesn't
mean it has to get stored in that fashion....I would hope that is
obvious, as this should be a concern no matter how you structure your
database. A simple validation check solves that one.
Finding a value is then as simple as: select all from users_profile
where profile_key = "birthday" and profile value =,>,< "whatever".
Not too difficult.
Here is an SQL statement that works perfectly:
$sql = 'SELECT * FROM `users_profile` WHERE profile_key = \'email
\' and profile_value = \'andrewpp...@gmail.com\';
Another example.
$sql = 'SELECT * FROM `users_profile` WHERE profile_key = \'zipcode
\' and profile_value > \'70000\';
The data is not mangled at all, and is still easily retrievable. It
is, however, very flexible. I accept that searching through all text
fields can be slower from a performance standpoint than using other
types of fields.
Andrew
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