August 2013
Beginner to intermediate
448 pages
12h 35m
English
Working with data means performing three essential, but different, tasks: viewing (querying), managing, and manipulating the data. Viewing the data means requesting information from the database. You create a query, and the database sends raw data to your application based on that query. Managing the database means performing create, update, and delete tasks that keep the data relevant. Often, the first two tasks are combined into Create, Retrieve, Update, and Delete (CRUD) processes. Manipulating the data means taking raw data and filtering, organizing, or modifying it in some fashion to produce a final result. This part of the book discusses all three of these tasks, but focuses on manipulation. ...
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