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');

Create foreign key laravel migration

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

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

Laravel foreign key constraint

public function up()
{
    Schema::create('replies', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->text('body');
        $table->unsignedBigInteger('question_id');
        $table->integer('user_id')->unsigned();
        $table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
        $table->timestamps();
    });
}

Source: stackoverflow.com

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

0 vote173 views1 answer
Merge two objects php laravel
PHP Laravel
0 vote160 views1 answer
Check the existing image in s3 laravel
PHP
8 votes191 views3 answers
Create migration with model laravel 8
PHP Laravel
1 vote173 views1 answer
Php quotations within quotations
PHP
1 vote191 views1 answer
Codeigniter where date interval
PHP CodeIgniter
0 vote160 views1 answer
How to access private and protected members in php
PHP
0 vote174 views1 answer
How to login first before see index php
PHP
3 votes181 views2 answers
Insert into laravel 8
PHP
0 vote182 views1 answer
Php pdo check if execution worked
PHP
0 vote168 views1 answer
Find template serving current page
PHP