/PHP/Create foreign key laravel migration

Create 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');

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

Create foreign key laravel migration

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

    $table->foreign('user_id')->references('id')->on('users');
});

Laravel adding Foreign Key Constraints

$table->foreignId('user_id')
      ->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Similar codes

0 vote192 views1 answer
Laravel eloquent relationships count
PHP Laravel
0 vote176 views2 answers
Check method in laravel
PHP
5 votes167 views3 answers
Php get non unique values from array
PHP
14 votes177 views3 answers
Enqueue wordpress
PHP
1 vote219 views2 answers
Wp include image inside theme folder
PHP
0 vote170 views1 answer
How to cooncet dabase eith laraavel
PHP
1 vote159 views1 answer
Messed up pagination laravel
PHP
25 votes185 views4 answers
ERROR 1071 (42000) at line 76: Specified key was too long; max key length is 767 bytes laravel
PHP
0 vote162 views1 answer
Reset wp query
PHP
4 votes202 views1 answer
Laravel install production
PHP