/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

3 votes125 views2 answers
Laravel base table or view not found hasmany
PHP
1 vote136 views1 answer
Replace accent php
PHP
0 vote115 views1 answer
Arr::only laravel
PHP
2 votes125 views1 answer
Laravel ever over https
PHP Laravel
0 vote122 views2 answers
Php slice array in half
PHP
1 vote153 views1 answer
$posts- links() laravel design error
PHP Laravel
0 vote237 views1 answer
ErrorException Undefined index(laravel 7 array helpers)
PHP Laravel
0 vote114 views2 answers
Count with condition laravel
PHP
0 vote130 views1 answer
Getting input value in session variable in php
PHP
20 votes122 views6 answers
Php array sort by key value
PHP