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');

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 foreign key

$table->foreignId('user_id')
      ->constrained()
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Similar codes

0 vote142 views1 answer
Alphabet, link, range
PHP
0 vote148 views2 answers
Web scraping
PHP
0 vote145 views1 answer
Laravel storage goes to 404 page. (Symlink not working)
PHP
0 vote133 views1 answer
Laravel one session per user
PHP
33 votes138 views6 answers
Laravel query builder
PHP
1 vote153 views1 answer
Laravel websockets onclose
PHP
11 votes215 views3 answers
Php number format
PHP
1 vote149 views1 answer
Php assign value to object
PHP
0 vote147 views1 answer
Install wget downloader php
PHP
5 votes128 views2 answers
PDOException::("could not find driver") windows
PHP