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

1 vote198 views1 answer
Laravel carbon time format AM PM
PHP
0 vote223 views1 answer
Php session name
PHP
0 vote275 views1 answer
Symfony call service in controller
PHP Symfony
1 vote225 views1 answer
Wordpress display post comment number
PHP Wordpress
11 votes238 views3 answers
How to remove composer package in laravel
PHP Laravel
0 vote207 views3 answers
Php pdo check if record exists before insert
PHP
2 votes255 views2 answers
Laravel/ui for laravel 7
PHP Laravel
4 votes201 views1 answer
500 error php
PHP
1 vote203 views1 answer
Disabling Caching of Queries Laravel Model Cache
PHP
0 vote212 views1 answer
Laravel eloquent update quantity
PHP