/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 vote276 views1 answer
Implement class in autoloader athow to implment data table in laravel project
PHP
16 votes329 views3 answers
Php != operator
PHP
3 votes333 views2 answers
Laravel required if it meet some value from another field
PHP Laravel
3 votes338 views2 answers
Laravel base table or view not found hasmany
PHP Laravel
3 votes289 views2 answers
Laravel collection find duplicates
PHP
3 votes294 views2 answers
Search function using php for database entries
PHP
0 vote267 views1 answer
Add header image to woocomerce shop page
PHP
0 vote241 views1 answer
Pdo example
PHP
2 votes290 views2 answers
How do i multiple variables in php
PHP
22 votes272 views6 answers
Strtoupper in php
PHP