1.6 KiB
Working with Databases
In this section, we will describe how to create a new page to display data fetched from a database table. To achieve this goal, you will configure the database connection, create an Active Record class to fetch and represent database data, and then create an action and a view to present the data to end users.
Through this tutorial, you will learn
- How to configure DB connections;
- How to define an Active Record class;
- How to query data using the Active Record class;
- How to display data in a view in a paginated fashion.
Note that in order to finish this section, you should have basic knowledge and experience about databases. You should know how to create a database and how to execute SQL statements using a DB client tool.
Configuring a Database Connection
To start, you should have a database ready. It can be a SQLite, MySQL, PostgreSQL, MSSQL or Oracle database.
For simplicity, in the following description, we will assume that you already have a MySQL database named basic.
Create a table named address and insert some sample data. The SQL statements are showing as follows,
CREATE TABLE `address` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`street` varchar(128),
`city` varchar(128),
`state` varchar(128),
`country` varchar(128)
);