Migrations are like version control for your database. They enable you to modify the database schema and stay up to date on the current schema state. Migrations are typically paired with the Schema Builder to easily manage your application’s schema. The Laravel Schema facade provides database agnostic support for creating and manipulating tables across all of Laravel’s supported database systems. Typically, migrations will use this facade to create and modify database tables and columns.

You can utilize the make:migration Artisan command to generate a database migration. After running this command the new migration will be placed in your database/migrations directory. If we talk about the file name of each migration file, it has been seen that each migration file name includes a timestamp that enables Laravel to manage the order of the migrations:

php artisan make:migration create_products_table

Laravel will utilize the name of the migration to try to guess the name of the table and whether or not the migration will be creating a new table.

Migration Structure

A migration class contains two methods: up and down. The up method is used to add new tables, columns, or indexes to your database, while the down method should reverse the operations performed by the up method.

For example, the following migration creates a products table:

<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateProductsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('products', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->string('image');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('products');
    }
}

Running Migrations

To run all of your outstanding migrations, you have to run this migrate Artisan command:

php artisan migrate

Rolling Back Migrations

To roll back the latest migration operation, you can utilize the rollback Artisan command.

Rollback The Last Migration Operation

php artisan migrate:rollback

Rollback all migrations

php artisan migrate:reset

Rollback all migrations and run them all again

php artisan migrate:refresh
php artisan migrate:refresh --seed

Laravel Migration Solutions And Service Company

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