Controlling Access to Your Site
In the last chapter, you learned how to insert information into a database and retrieve it. Once you have created a database record, you need a way to update it or delete it when it’s no longer required. The principles behind updating and deleting are very similar to retrieving and displaying records. To update a record, you need to display its existing details in a form ready for editing, and to delete a record, you display sufficient information to confirm that you want to consign it to cyber oblivion.
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