laravel index field mysql code example

Example 1: laravel foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Example 2: laravel create migration

// use the make:migration Artisan command to generate a database migration
php artisan make:migration create_flights_table

// use --create to indicate whether the migration will be creating a new table
php artisan make:migration create_flights_table --create=flights

// use --table to indicate the table name
php artisan make:migration add_destination_to_flights_table --table=flights