![]() The sticky option is an optional value that can be used to allow the immediate reading of records that have been written to the database during the current request cycle. ![]() When multiple values exist in the host configuration array, a database host will be randomly chosen for each request. The database credentials, prefix, character set, and all other options in the main mysql array will be shared across both connections. So, in this case, 192.168.1.1 will be used as the host for the "read" connection, while 192.168.1.3 will be used for the "write" connection. You only need to place items in the read and write arrays if you wish to override the values from the main mysql array. The rest of the database options for the read and write connections will be merged from the main mysql configuration array. The read and write keys have array values containing a single key: host. Note that three keys have been added to the configuration array: read, write and sticky. An example database URL may look something like the following: ![]() Some managed database providers such as AWS and Heroku provide a single database "URL" that contains all of the connection information for the database in a single string. This means that when configuring your database connection information on a production server, you need to manage several environment variables. Each of these configuration values has its own corresponding environment variable. Typically, database connections are configured using multiple configuration values such as host, database, username, password, etc. To use a Microsoft SQL Server database, you should ensure that you have the sqlsrv and pdo_sqlsrv PHP extensions installed as well as any dependencies they may require such as the Microsoft SQL ODBC driver. If you use the Laravel installer to create your Laravel application and select SQLite as your database, Laravel will automatically create a database/database.sqlite file and run the default database migrations for you. After the database has been created, you may easily configure your environment variables to point to this database by placing the absolute path to the database in the DB_DATABASE environment variable: You can create a new SQLite database using the touch command in your terminal: touch database/database.sqlite. SQLite databases are contained within a single file on your filesystem. However, you are free to modify your database configuration as needed for your local database. Examples for most of Laravel's supported database systems are provided in this file.īy default, Laravel's sample environment configuration is ready to use with Laravel Sail, which is a Docker configuration for developing Laravel applications on your local machine. Most of the configuration options within this file are driven by the values of your application's environment variables. In this file, you may define all of your database connections, as well as specify which connection should be used by default. The configuration for Laravel's database services is located in your application's config/database.php configuration file.
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