When I > request "update.php?recordID=2", you should be doing > something like "SELECT > * FROM Record_Table WHERE recordID = 2 AND userID = > 3", which will not > return any rows.
Okay that makes sense I will try that. Though I'd imagine the SQL will need to be different since I could be dealing with hundreds, thousanda etc of records.
No the SQL is the same for 1 record or 10 million...What you may need to do is put an index or two on the table that match the where clause to speed up the search....that's it.
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