Different DBMSs have different query languages and tools, such as SQL, NoSQL, or GraphQL. Depending on your data model, structure, and purpose, you need to choose the right query tool that suits ...

The paper presents a method for parallel speculative query execution support to be applied in relational database systems. The method is based on dynamic analysis of input query stream in databases ...

An implementation of an efficient and lightweight database system that utilises B+ tree indices, efficient join algorithms, query optimization, multigranularity locking to support concurrent execution ...

In this paper, we propose a general multi-attribute based range query framework, Q-Tree, that provides efficient support for this class of systems. In order to serve efficient queries, Q-Tree builds a ...