postgresqlHow can I integrate PostgreSQL with Yii2?

PostgreSQL can be integrated with Yii2 by using the PostgreSQL Extension for Yii2. This extension provides a PostgreSQL database driver and schema migration tool for Yii2 applications. To use the extension, first install it using Composer:

composer require yiisoft/yii2-postgres

Once the extension is installed, you can configure the database connection in the application configuration file:

'components' => [
    'db' => [
        'class' => 'yii\db\Connection',
        'dsn' => 'pgsql:host=localhost;dbname=mydatabase',
        'username' => 'myuser',
        'password' => 'mypassword',
    ],
    // ...
],

Code explanation

• yiisoft/yii2-postgres - The PostgreSQL Extension for Yii2.
• yii\db\Connection - The class that represents the database connection.
• pgsql:host=localhost;dbname=mydatabase - The DSN (Data Source Name) used to connect to the database.
• myuser - The username used to connect to the database.
• mypassword - The password used to connect to the database.

For more information, see the PostgreSQL Extension for Yii2 documentation.

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