Zhihai Zhang

Title: Zhihai Zhang: Innovator in Relational Database Technology

Introduction

Zhihai Zhang is a notable inventor based in Nashua, NH (US). He has made significant contributions to the field of relational databases, particularly in the area of multi-column and multi-row constraints. His innovative approach addresses the challenges of concurrent data access in database systems.

Latest Patents

Zhihai Zhang holds 1 patent for his invention titled "Implementing a multi-column/multi-row constraint in a relational database table." This patent describes a method, system, and computer program product designed to implement multi-column and multi-row constraints effectively. The invention utilizes lock techniques to prevent access collisions when multiple software applications attempt to insert rows into the same relational database table. The method begins by receiving a first row from a first process and a second row from a second process, both of which are subject to the same constraints. By employing column locks, the method identifies potential conflicts and manages locks to prevent access issues.

Career Highlights

Zhihai Zhang is currently employed at Oracle International Corporation, where he continues to develop innovative solutions in database technology. His work has had a significant impact on improving data integrity and access efficiency in relational databases.

Collaborations

Zhihai has collaborated with notable colleagues such as Qingyun Xie and Siva Ravada. Their combined expertise has contributed to advancements in database management systems.

Conclusion

Zhihai Zhang's contributions to relational database technology exemplify the importance of innovation in addressing complex data management challenges. His work continues to influence the field and enhance the functionality of database systems.