laravel sql query

1DB::table('users')->toSql()

1$users = DB::table('users')
2            ->where('votes', '>', 100)
3            ->orWhere(function($query) {
4                $query->where('name', 'Abigail')
5                      ->where('votes', '>', 50);
6            })
7            ->get();

1DB::statement('DROP TABLE users');
2DB::statement('ALTER TABLE projects AUTO_INCREMENT=123');

1$users = DB::table('users')
2                    ->whereIn('id', [1, 2, 3])
3                    ->get();

1use Illuminate\Support\Facades\DB;
2
3$users = DB::select('select * from users');
4
5foreach ($users as $user) {
6    echo $user->name;
7}

1DB::connection()->getDatabaseName() //laravel