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I have a database independent of the wordpress database with certain parameters. look attached diagram
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each frame of this scheme is followed by child frames
What I want to do is create a dropdown box on a wordpress page
My intention is to create the first dropdown with the first 3 options
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academia\_1
academia\_2
academia\_3
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When the user selects an academy, another drop-down will open with the options for this
We select the academy\_1 and a drop-down appears with the following 3 options
profesor\_juan
profesor\_manuel
profesor\_luis
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and so on. so that at the end of a list with all the students and schedules of class 1.
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how can i do this in wordpress?
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