/PHP/Laravel/Foreign key laravel migration

Foreign key laravel migration

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();
});

Make a forign key in migrations using laravel 8

$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Foreign 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();
    });
}

Source: stackoverflow.com

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');
});

Source: laravel.com

Similar codes

1 vote159 views3 answers
Laravel get input from request
PHP Laravel
0 vote167 views1 answer
Extensions for laravel command ubuntu 20.04
PHP Laravel
3 votes155 views4 answers
Laravel cors enable
PHP Laravel
0 vote153 views1 answer
File original extensions laravel
PHP Laravel
0 vote184 views2 answers
Laravel bootstrap nav active
PHP Laravel
3 votes179 views3 answers
Laravel if database has table
PHP Laravel
10 votes151 views4 answers
Laravel create
PHP Laravel
2 votes168 views2 answers
Laravel abort with message
PHP Laravel
1 vote177 views1 answer
Laravel end date greater than start date validation
PHP Laravel
7 votes163 views2 answers
Laravel carbon get month number
PHP Laravel