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']); // Drops index 'geo_state_index'

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