Resource Description Framework (RDF) query processing and optimization underpin the efficient retrieval and manipulation of data within vast, interconnected datasets. At its core, these ...

By combining machine learning and adaptive query execution, query optimization in Presto could become smarter and more efficient over repeated use.

This paper deals with a lucid mathematical model for evaluating the average response time for queries in DBMS (DataBase Management System). Response time is one of the key metrics for performance ...

Not so with DBAs! In SQL Server 2017, when the query optimizer encounters code with a multi-statement TVF, the query optimizer will pause optimization, execute the TVF subtree to get a very accurate ...

The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. The optimizer accomplishes this by ...

On Thursday the 2nd of December 2021, M.Sc. Yuxing Chen will defend his doctoral thesis on Performance Tuning and Query Optimization for Big Data Management. The thesis is related to research done in ...