Processing queries in distributed databases require the conversion and transmission of data
from local and global sites. A query can be used to create a different executive plan of the …

Query Optimization is principally a multifaceted exploration job that searches for best plan
amongst the semantically equal plans that are obtained from any given query. The execution …

Distributed database is emerging as a boon for large organizations as it provides better
flexibility and ease compared to centralized database. As the data is growing over the …

Optimizing query in distributed database is considered as the most important part of a
database system. The optimizer tries to find an optimal join order which reduces the query …

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

Huge information is available in distributed database that can be exploited for constructive
use. A query posed over a distributed database may get processed against disparate data …

In recent years, with the text, images, audio, video and other data doubled because of the
rapid development of information technology, we have entered the era of big data. How to …

Query Processing is a key determinant in the overall performance of distributed databases. It
requires processing of data at their respective sites and transmission of the same between …

A distributed query processing strategy, which is a key performance determinant in
accessing distributed databases, aims to minimize the total query processing cost. One way …

The query optimizer is the DBMS (data base management system) component whose task is
to find an optimal execution plan for a given input query. Typically, optimization is performed …