Laravel 8 foreign key

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');

Laravel before migration

Schema::table('users', function ($table) {
    $table->string('email')->after('id')->nullable();
});

Create foreign key laravel migration

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

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

Laravel 8 foreign key

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

Source: laravel.com

Similar codes

0 vote198 views1 answer
Laravel 6 use username on url
PHP Laravel
1 vote159 views1 answer
Laravel include with variable
PHP Laravel
5 votes183 views1 answer
Limit 1 1 in laravel query
PHP Laravel
3 votes140 views1 answer
Collection empty laravel
PHP Laravel
3 votes174 views6 answers
Laravel find query
PHP Laravel
0 vote157 views1 answer
Laravel enable extensions on Ubuntu
PHP Laravel
3 votes177 views1 answer
Laravel e commerce full project
PHP Laravel
0 vote153 views1 answer
Laravel relationship retrieve data
PHP Laravel
0 vote157 views1 answer
Laravel repository error
PHP Laravel
0 vote162 views1 answer
Laravel token logout
PHP Laravel