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Hi Friends,

Here, I will show you laravel migration execute sql. Here you will learn laravel migration run sql file. This post will give you a simple example of how to run sql query in laravel migration. we will help you to give an example of laravel migration run sql query.

If you want to run sql query in laravel migration then we need to use DB::statement(). DB::statement will allow to execute sql query in laravel migration.

In this example, i will change viewer column datatype integer to varchar(255).

So, let's see the simple example of laravel migration change integer to string using DB::statement.

Default Created Table

Here, you will see the default created table screenshot.

Create Migration

Create new migration using following command:

php artisan make:migration change_datatype_column

Now, You can update it as like the bellow:

database/migrations/migration_name.php

<?php
   
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
    
return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        \DB::statement('ALTER TABLE `posts` CHANGE `viewer` `viewer` VARCHAR(255) NULL DEFAULT NULL;');
    }
  
    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::table('posts', function (Blueprint $table) {
              
        });
    }
};

Now, you are ready to run migration command:

php artisan migrate

You will see the layout as like the below:

I hope it can help you...