Query optimization is considered as one of the main challenges of query processing phases
in the cloud environments. The query optimizer attempts to provide the most optimal …

The goal of a query optimizer is to provide an optimal Query Execution Plan (QEP) by
comparing alternative query plans. In a distributed database system over cloud environment …

Sažetak In cloud computing environment hardware resources required for the execution of
query using distributed relational database system are scaled up or scaled down according …

The global data volume has been increasing at a high rate in recent years due to social
media, smartphones, and other handheld devices. The constant challenge is how to access …

Cloud computing services are provided over the internet such as computing, servers,
storage, databases, networking, software, and many more. Then, customers get services …

Use of computer resources and sharing of contents has changed the ways along with as the
cloud computing comes. One of the important concept of cloud computing is virtualization …

The amount of data increases exponentially every year, the nomenclature of data is
expanded; unstructured data reaches so largely that traditional methods and approaches of …

Sažetak In distributed and cloud database system, large amount of resources are used by
complex queries that increase in payment overheads of cloud users. These resource needs …

Big data (BD) is attaining major attention in the information field due to the eruption of data in
the preceding decade. Philosophical techniques of “query optimization (QO)” have an …

Cloud computing carries services like storage, databases, servers, networking, software and
many more over the internet. Users get services from cloud providers and pay for it as per …