Chapter 5. Maintaining Database Records
Now that we’ve covered the basics of retrieving records from a database, let’s focus our attention on techniques you can use to add new records, update existing records, and delete unwanted records from a database. These techniques come into play when your web application needs to go beyond simply displaying information from a database. For example, with our employee directory application, we can add the ability to insert new employees into the directory, update employee information, and delete employee records.