make a forign key in migrations using laravel 8
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
make a forign key in migrations using laravel 8
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
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();
});
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
create foreign key laravel migration
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
laravel 8 foreign key migration
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
Laravel create foreign key column in migration
$table->foreignId('post_id')
->constrained()
->onUpdate('cascade')
->onDelete('cascade');
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