In the preceding chapter, we began developing a database-driven web application, with a focus on learning how to read data from the database. However, reading is just one of the four primary database operations known collectively as CRUD, short for create, read, update, delete. In this chapter, we’ll look at the other components of CRUD as we expand our web application. We’ll write code that allows users to change the database data by deleting, adding, or updating entries through interactive links and web forms.
Just about any database-driven mobile or web application revolves around the four CRUD operations. ...
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