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:freshforeign key laravel migration
$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');create foreign key laravel migration
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});laravel foreign key constraint
public function up()
{
Schema::create('replies', function (Blueprint $table) {
$table->bigIncrements('id');
$table->text('body');
$table->unsignedBigInteger('question_id');
$table->integer('user_id')->unsigned();
$table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
$table->timestamps();
});
}Copyright © 2021 Codeinu
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