Laravel Database Schema, Nullable Foreign

Question

I\'ve these two database tables:

1. User Tables
2. Partner Tables

User Tables will handle this kind of informations

Answer 1

For Laravel 7.x I use this way:

$table->bigInteger('word_type_id')->nullable()->unsigned();
$table->index('word_type_id')->nullable();
$table->foreign('word_type_id')->nullable()->references('id')->on('word_types')->onDelete('cascade');