Im confused by what this is, arent they the same thing??
partial functional dependency
In database terminology, a partial functional dependency occurs when the value in a non-key attribute of a table is dependent on the value of some part of the table's primary key (but not all of it).
A transitive dependency occurs in a database table when the value of a non-key attribute is dependent on the value of another non-key attribute in that table.
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I found this questions asking how to do this in many different forums, so I will describe here how to implement a solution using PHP and AJAX.
The logical flow for the problem should be:
Write an event handler for the first drop down box to get …
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