use DB and with laravel code example

Example 1: TRANSACTON LARAVEL QUERY BUILDER

DB::beginTransaction();

try {
    DB::insert(...);    
    DB::commit();
} catch (\Throwable $e) {
    DB::rollback();
    throw $e;
}

Example 2: laravel find query

foreach ($flights as $flight) {
    echo $flight->name;
}

Example 3: db name laravel

DB::connection()->getDatabaseName() //laravel