Unique laravel migration

Laravel migration rollback

To rollback one step:

php artisan migrate:rollback

To rollback multiple steps:

php artisan migrate:rollback --step=[x]
  
To drop all tables and reload all migrations:

php artisan migrate:fresh

Laravel migration add unique column

Schema::table('tableName', function($table)
{
    $table->string('column-name')->unique(); //notice the parenthesis I added
});

Laravel migration alter column unique

$table->dropUnique('users_email_unique');

Source: stackoverflow.com

Laravel set field unique

Schema::table('manufacturers', function($table)
{
    $table->string('name')->unique(); 
});

Source: laravel.io

Unique laravel migration

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Schema::table('users', function (Blueprint $table) {
    $table->string('email')->unique();
});

Source: laravel.com

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