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

3 votes254 views2 answers
Laravel tinker update password
PHP Laravel
10 votes251 views3 answers
Remove package in laravel
PHP
0 vote237 views1 answer
Windows list registered applications
PHP
104 votes346 views6 answers
String replace in php
PHP
40 votes211 views6 answers
Laravel 8 foreign key migration
PHP
0 vote228 views1 answer
Ternaire echo isset php
PHP
4 votes209 views1 answer
Laravel add utility class
PHP
0 vote249 views1 answer
Codeigniter check view file exists
PHP CodeIgniter
0 vote216 views1 answer
Veue laravel remove #/
PHP
0 vote255 views2 answers
Sweet alert confirm box laravel
PHP Laravel