Magento 2 How to create custom query that is the question sometime is popped up on your head. Here is how I create my own custom queries in Magento 2. Currently, I figured out two ways : 1/ Take advantage of using Magento Resource Connection. $themeId=3; $this->_resources = \Magento\Framework\App\ObjectManager::getInstance() ->get(‘Magento\Framework\App\ResourceConnection’); $connection= $this->_resources->getConnection(); $select…