Abstract: 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 of any ...

The first step in distributed query processing and optimization is to decompose the query into smaller subqueries that can be executed locally on each data source. This reduces the amount of data ...

In this paper, we present new techniques for spatial query processing and optimization in an in-memory and distributed setup to address scalability. More specifically, we introduce new techniques for ...

Query optimization is considered as the most significant part in a model of distributed database. The optimizer tries to find ... that is implemented by the query optimizer. Query processing is ...

Query processing and optimization are critical components of database management systems (DBMSs), as they directly influence the efficiency and performance of data retrieval operations.

A multidatabase system (MDBS) integrates information from autonomous pre-existing local databases managed by heterogeneous local database management systems in a distributed environment. To achieve ...

As organizations increasingly rely on big data analytics, the need for efficient query processing and optimization has become paramount. With the use of sophisticated data structures, distributed real ...