Foreign key in 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();
});

Foreign key in laravel migration

$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');

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

0 vote308 views1 answer
Touches in laravel
PHP Laravel
0 vote159 views1 answer
Where condition in array in codeigniter
PHP
4 votes201 views6 answers
Create project laravel
PHP Laravel
2 votes160 views1 answer
Laravel ever over https
PHP Laravel
0 vote175 views1 answer
Laravel collection diff
PHP Laravel
0 vote153 views1 answer
Register sidebar wordpress
PHP
8 votes124 views6 answers
Add column laravel
PHP
0 vote145 views2 answers
Steps to create laravel project
PHP
0 vote160 views1 answer
Parse json nested array form url in php
PHP
1 vote169 views1 answer
How convert the date and time to integer in laravel
PHP