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 vote129 views1 answer
Wordpress how to display breadcrumb in child theme programmatically
PHP
6 votes140 views3 answers
Laravel passport login with username
PHP Laravel
0 vote131 views1 answer
Laravel recursive relationships
PHP
0 vote134 views1 answer
Laravel validation not equal to
PHP
20 votes156 views4 answers
Php simple server
PHP
11 votes151 views2 answers
Laravel log level
PHP Laravel
0 vote166 views1 answer
Remove autoupdate wordpress
PHP Wordpress
0 vote149 views1 answer
Optimize clear laravel not working
PHP Laravel
0 vote147 views1 answer
Parse data from xml CDATA php
PHP
0 vote168 views1 answer
Variable 'sql_mode' can't be set to the value of 'REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE( @@sql_mode'</p><p>SELECT * FROM `users` WHERE `username` = 'yth19203' ORDER BY `id` DESC</p><p>Filename: models/Crud.php</p&
PHP