Leo Tat Man Lau

Title: Innovations of Leo Tat Man Lau

Introduction

Leo Tat Man Lau is a notable inventor based in Richmond Hill, Canada. He has made significant contributions to the field of database management systems, holding a total of 7 patents. His work focuses on enhancing system efficiency and resource availability.

Latest Patents

One of his latest patents is titled "Efficient undo-processing during data redistribution." This invention provides a method and system for facilitating an undo operation during data redistribution. The method involves generating multiple control files associated with batches of data received from a sending partition. Each control file contains a list of pages and corresponding ranges of rows of data that have been appended to the pages. The control files are written to persistent memory, ensuring that all associated rows have been recorded. In the event of an interruption during the redistribution process, the method identifies pages and rows to be deleted during an undo operation based on the control files.

Another significant patent is the "Method for increasing system resource availability in database management systems." This invention allows applications to indicate whether access is made using an online protocol. When the database server identifies that a request is made using this protocol, it returns defined error codes if system resources are scarce. Applications monitor these responses and can issue a commit to the database server to attempt to release system resources for use.

Career Highlights

Leo Tat Man Lau is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to develop innovative solutions that address critical challenges in database management.

Collaborations

Throughout his career, Leo has collaborated with talented individuals such as Miroslaw Adam Flasza and Adil Mohammad Sardar. These collaborations have contributed to the advancement of his inventions and the overall success of his projects.

Conclusion

Leo Tat Man Lau is a distinguished inventor whose work in database management systems has led to several impactful patents. His innovative approaches continue to shape the industry and improve system efficiency.