Laravel Interview Questions

What is the use of the Eloquent cursor() method in Laravel? The cursor method allows us to iterate through our database using a cursor, which will only execute a single query. While processing large amounts of data, the cursor method may be used to reduce your memory usage greatly. Example foreach (Product::where(‘name’, ‘bar’)->cursor() as $flight) … Read more

How can someone change the default database type in Laravel? Laravel is configured to use MySQL by default. To change its default database type, edit the file config/database.php: Search for ‘default’ =>env(‘DB_CONNECTION’, ‘mysql’) Change it to whatever required like ‘default’ =>env(‘DB_CONNECTION’, ‘sqlite’) By using it, MySQL changes to SQLite. What do you understand by database migrations … Read more

What do you know about Traits in Laravel? PHP Traits is a group of methods which can be included within another class. A Trait cannot be instantiated by itself like an abstract class. Traits are generated to reduce the limitations of single inheritance in PHP. It allows a developer to reuse sets of methods freely … Read more

What is Query Builder in Laravel? Laravel’s Query Builder provides more direct access to the database, alternative to the Eloquent ORM. It doesn’t require SQL queries to be written directly. Instead, it offers a set of classes and methods which are capable of building queries programmatically. It also allows specific caching of the results of … Read more

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