April 2018
Beginner to intermediate
792 pages
17h 34m
English
Content preview from PHP, MySQL, & JavaScript All-in-One For Dummies
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Chapter 4
Using the Database
IN THIS CHAPTER
Adding new data to your tables
Updating existing data in your tables
Finding data quickly
Working with backups and restores
The preceding chapter covers how to create databases and tables for your dynamic web application. That’s all well and good, but databases and tables don’t really do anything until you start placing data in them.
This chapter explores the different methods you have available for adding, changing, and removing data in your application tables. After that, it walks through possibly the most important feature of any database: how to quickly retrieve the data that your application needs. The chapter closes by discussing the important jobs of backing up and restoring database data.
Working with Data
The ability to easily manage application data is the whole reason dynamic web applications use databases. So it stands to reason that the SQL language has quite a few options for working with data. There are four basic functions that we need to do with the data in our application:
- Add new data records to tables.
- Modify existing ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.