drop foreign key migration laravel code example
Example 1: 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();
});
Example 2: laravel remove foreign key
$table->dropForeign('posts_user_id_foreign');
Example 3: laravel drop table migration
Schema::drop('users');
Schema::dropIfExists('users');
Example 4: laravel migration drop foreign keys
$table->dropPrimary('users_id_primary');
Example 5: laravel migration drop foreign keys
$table->dropIndex(['state']);