Laravel 8 foreign key

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 before migration

Schema::table('users', function ($table) {
    $table->string('email')->after('id')->nullable();
});

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

Laravel 8 foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Source: laravel.com

Similar codes

0 vote117 views2 answers
Php send telegram message to user
PHP
1 vote99 views2 answers
Wordpress programmatically logout
PHP
-1 vote140 views2 answers
Php rtrim
PHP
1 vote97 views1 answer
Laravel websockets onmessage
PHP
1 vote117 views1 answer
Array con php
PHP
0 vote124 views1 answer
Search WordPress with custom field
PHP Wordpress
12 votes141 views3 answers
Call controller function from another controller laravel
PHP
5 votes142 views4 answers
App url laravel
PHP Laravel
61 votes109 views6 answers
Php rand int
PHP
7 votes114 views2 answers
Increase the PHP memory limit
PHP