The Laravel framework is one of the most popular PHP development frameworks. Its main features are ease of use and scalability. It provides many built-in features such as routing, middleware, ORM and template engine, etc. so that developers can create and maintain modern web applications more efficiently.

In the Laravel framework, we can use many different databases, including MySQL, PostgreSQL, SQLite and Microsoft SQL Server, etc. This article will introduce these supported databases and how to use them in Laravel.

1. MySQL

MySQL is one of the most commonly used relational databases and is also the default database of the Laravel framework. Laravel provides some very convenient methods to connect to and operate MySQL databases. In Laravel, we can configure the MySQL database connection through some options in the configuration file. These options include hostname, port number, username, password, database name, and more.

The sample code to connect to the MySQL database is as follows:

// 連接到MySQL數(shù)據(jù)庫(kù)
DB::connection('mysql')->statement('SELECT * FROM users');

2. PostgreSQL

PostgreSQL is a powerful open source relational database in the Laravel framework Also very well supported. We can use the PDO extension in PHP to connect and operate PostgreSQL database. Laravel provides some convenient methods to connect and operate PostgreSQL database. Similarly, we can configure PostgreSQL database connection options in Laravel's configuration file.

The sample code to connect to the PostgreSQL database is as follows:

// 連接到PostgreSQL數(shù)據(jù)庫(kù)
DB::connection('pgsql')->statement('SELECT * FROM users');

3. SQLite

SQLite is a lightweight embedded database engine suitable for Small web application or mobile application. Laravel provides built-in SQLite database support, which we can use to quickly build small applications or conduct testing. Similarly, we can configure SQLite database connection options in Laravel's configuration file.

The sample code to connect to the SQLite database is as follows:

// 連接到SQLite數(shù)據(jù)庫(kù)
DB::connection('sqlite')->statement('SELECT * FROM users');

4. Microsoft SQL Server

Microsoft SQL Server is a commercial relational database suitable for Large enterprise applications. The Laravel framework provides support for Microsoft SQL Server, and we can use it to connect and operate Microsoft SQL Server databases. Similarly, we can configure Microsoft SQL Server database connection options in Laravel's configuration file.

The sample code to connect to a Microsoft SQL Server database is as follows:

// 連接到Microsoft SQL Server數(shù)據(jù)庫(kù)
DB::connection('sqlsrv')->statement('SELECT * FROM users');

Summary

The Laravel framework supports a variety of databases, including MySQL, PostgreSQL, SQLite, and Microsoft SQL Server. Using Laravel's database connection and manipulation methods, we can easily connect and manipulate these databases. Whether you are developing a small web application or a large enterprise application, Laravel can provide you with efficient and flexible database support.

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