id(); $table->unsignedBigInteger('parent_id')->nullable(); $table->foreign('parent_id')->nullable()->references('id')->on('courses')->onUpdate('cascade')->onDelete('cascade'); $table->unsignedBigInteger('category_id')->nullable(); $table->foreign('category_id')->nullable()->references('id')->on('categories')->onUpdate('cascade')->onDelete('cascade'); $table->string('name'); $table->integer('enabled')->default(1); $table->softDeletes(); $table->timestamps(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('categories'); } };