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Post method/Database

I'm studying the html/css book by John duckett. Says in the book that the post method should be used if: the form is very long, users can upload files, if there is sensitive data such as passwords, or if users can add or delete info from a database(I dont understand this either, could someone please also explain what a database is and how users can interact with it). Now, with that being said, there is an example in the book of a user being able to submit their departure date, and the method=post....???Why????? Is this an example of data being added to the database? Because if it's not, I dont understand what it's being used in this example for. Out of all the things I just listed above, adding info to the database is the only one I see that would validate making this a post method, and not get. And once again, could someone please explain to me what the heck a database is and how it works?

4/22/2019 12:19:15 PM

jay

2 Answers

New Answer

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A database is usually just a collection of tables with a querry interface(usually sql) But you'll need php(or any other backend code) that converts user input into sql querrys. But be aware of sql Injektion

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An easy order of languages for you to learn is html>css>js>sql>php