Laravel 8 Database Seeder with Sample Data Insertion

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Inside this article we will see the concept of database seeding with sample data in laravel 8. Laravel 8 database seeding from example data is a technique to dump test data into tables in bulk.

This tutorial will be super easy to understand and it’s steps are easier to implement in your code as well. Database seeding is the process in which we feed test data to tables. We can insert data either using Faker library, manual data or means of some more data sources like CSV, JSON.

Laravel 8 Database Seeding from JSON File Tutorial, Click here.

In this tutorial we will use the concept of Laravel 8 Database Seeder with Sample data insertion.

Learn More –

Let’s get started.


Installation of Laravel Application

Laravel Installation can be done in two ways.

  • Laravel Installer
  • By using composer

Laravel Installer

To install Laravel via Laravel installer, we need to install it’s installer first. We need to make use of composer for that.

$ composer global require laravel/installer

This command will install laravel installer at system. This installation is at global scope, so you type command from any directory at terminal. To verify type the given command –

$ laravel

This command will open a command palette of Laravel Installer.

To create ad install laravel project in system,

$ laravel new blog

With the name of blog a laravel project will be created at your specified path.

By using composer

Alternatively, we can also install Laravel by Composer command create-project.

If your system doesn’t has composer Installed, Learn Composer Installation Steps.

Here is the complete command to create a laravel project-

$ composer create-project --prefer-dist laravel/laravel blog

After following these steps we can install a Laravel application into system.

To start the development server of Laravel –

$ php artisan serve

This command outputs –

Starting Laravel development server: http://127.0.0.1:8000

Assuming laravel already installed at system.


Create Database & Connect

To create a database, either we can create via Manual tool of PhpMyadmin or by means of a mysql command.

CREATE DATABASE laravel_app;

To connect database with application, Open .env file from application root. Search for DB_ and update your details.

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=laravel_app
DB_USERNAME=root
DB_PASSWORD=root

Create Database Seeder

Suppose we have a students table in application database.

We will create a database seeder for that table and also will insert example data into it.

Open project into terminal and run this artisan command.

$ php artisan make:seeder StudentsTableDataSeeder

It will create a file class StudentsTableDataSeeder.php inside /database/seeders folder.


Seeder with Example Data

Open StudentsTableDataSeeder.php and write this complete code into it.

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class StudentsTableDataSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        for ($i = 0; $i < 10; $i++) {

            DB::table('students')->insert([
                'name' => Str::random(8),
                'email' => Str::random(12) . '@gmail.com',
                'password' => bcrypt('123456')
            ]);
        }
    }
}

Next, we need to run this Student seeder to seed example data into students table.

Run Seeder

Back to project terminal.

$ php artisan db:seed --class=StudentsTableDataSeeder

This command will seed 10 rows of example data into students table.

We hope this article helped you to learn Laravel 8 Database Seeder with Sample Data Insertion Tutorial in a very detailed way.

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