Data has become a powerful tool for the global workforce. It’s a prerequisite to translate massive amounts of unstructured and structured information into meaningful and valuable business insights for future growth. Hence, the current global market is flooded with a wide range of big data tools to process

author：Hans Zeller Optimizing joins is the core part of any query optimizer. It consists of picking a good join order, the right join algorithms (hash join, nested loop join, etc.) and various other things. The number of possible options grows extremely fast and requires a method called Dynamic