The paper narrates the review of cost-based query optimizers designed using database
strategies, deterministic, stochastic, hybrid and energy efficiency-based techniques. It was …

Query processing in Object Oriented Database management system is an active research
area. Query Optimizer is very complex module in query processing which is programmed to …

Information systems are integral parts of an organization that plays a vital role in the
management of its activities. They help the organization to meet its goals and objectives by …

Due to the increasing size of databases, organizations motivated and moved their huge
volume of data into big databases which is huge in volume and variety of data model. It is …