While it may seem slightly more expensive, Cloudways has everything you need to get started easily and is the better choice for anyone upgrading from shared to VPS hosting. This can be a critical ...

Robbie has been an avid gamer for well over 20 years. During that time, he's watched countless franchises rise and fall. He's a big RPG fan but dabbles in a little bit of everything. Writing about ...

The performance of a query crucially depends on the ability of the query optimizer to choose a good execution plan from a large space of alternatives. With the discovery of algebraic transformation ...

SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...

Introduction: The development of science and technology has driven rapid changes in the social environment, especially the rise of the big data environment, which has greatly increased the speed at ...

Abstract: Query optimizers are an essential component of database management systems (DBMSs) as they search for an execution plan that is expected to be optimal for a given query. However, they ...

Abstract: Multi Query Optimization in federated database systems is a well-studied area. Studies have shown that similar problem arises in wide range of applications, e.g., distributed stream ...