atcheck/database/seeds/DatabaseSeeder.php

<?php

use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    /**
     * Seed the application's database.
     *
     * @return void
     */
    public function run()
    {
        DB::table('users')->insert([
            'name' => 'admin',
            'surname' => 'main',
            'email' => 'admin@admin.com',
            'password' => bcrypt('pass1234'),
            'is_Admin' => true
        ]);
        DB::table('users')->insert([
            'name' => 'test',
            'surname' => 'user',
            'email' => 'test@test.com',
            'password' => bcrypt('test1234'),
            'is_Admin' => false
        ]);

        $this->call([
            RoomsTableSeeder::class,
        ]);

        DB::table('subjects')->insert([
            'name' => 'Systemy Informatyczne UA0',
            'type' => 'Excercises',
            'weekday' => 'Monday',
            'time' => '17:15',
            'room_id' => 1,
            'user_id' => 2
        ]);
        DB::table('classes')->insert([
            'subject_id' => 1,
            'date' => '2019-12-02',
        ]);
        DB::table('attendances')->insert([
            'classes_id' => 1,
            'student_id_number' => '416010',
            'student_name' => 'Joanna',
            'student_surname' => 'Paliwoda',
            'seat_number' => 13
        ]);
    }
}