Create Foreign id

 <?php

use Illuminate\Database\Migrations\Migration;

use Illuminate\Database\Schema\Blueprint;

use Illuminate\Support\Facades\Schema;

return new class extends Migration

{

/**

* Run the migrations.

*/

public function up(): void

{

Schema::create('student_subjects', function (Blueprint $table) {

$table->id();

$table->foreignId('student_id')->constrained('students')->cascadeOnDelete()->cascadeOnUpdate();

$table->foreignId('subject_id')->constrained('subjects')->cascadeOnUpdate();

$table->timestamps();

});

}

/**

* Reverse the migrations.

*/

public function down(): void

{

Schema::dropIfExists('student_subjects');

// Schema::dropIfExists('student_subjects',function(Blueprint $table){

// $table->dropConstrainedForeignId('student_id');

// $table->dropColumn('student_id');

// });

}

};