Xiqing Li

Title: The Innovative Contributions of Xiqing Li

Introduction

Xiqing Li is a notable inventor based in Westford, MA (US). He has made significant contributions to the field of database systems, particularly in optimizing query execution. His work has implications for improving the efficiency of data processing in various applications.

Latest Patents

Xiqing Li holds a patent for a "Database system providing optimization of group by operator over a union all." This patent describes a database system that enhances methods for optimizing and executing queries that aggregate information from multiple database tables. The innovative method breaks serial operations into a group of child operations that can be optimized and processed in parallel. By pushing the grouping operation down into each input arm of the union node, the system allows for concurrent data grouping and summary generation, leveraging the capabilities of available parallel processing hardware.

Career Highlights

Xiqing Li is associated with Sybase, Inc., where he has contributed to advancements in database technology. His work focuses on improving the performance and efficiency of database operations, which is crucial for handling large volumes of data in modern applications.

Collaborations

Xiqing Li has collaborated with notable colleagues, including Roger D MacNicol and Steven A Kirk. These collaborations have likely contributed to the innovative solutions and advancements in database systems that he is known for.

Conclusion

Xiqing Li's contributions to database optimization reflect his expertise and innovative spirit in the field of technology. His patent demonstrates a significant advancement in how database queries can be executed more efficiently, showcasing the importance of innovation in data processing.