P J Landresse

Title: P J Landresse: Innovator in Database Management Technologies

Introduction

P J Landresse is a notable inventor based in Capistrano Beach, CA (US). He has made significant contributions to the field of database management, holding a total of 3 patents. His work focuses on improving the efficiency and reliability of data retrieval and management systems.

Latest Patents

One of his latest patents is titled "Method for tracking audit files spanning multiple tape volumes." This invention is designed for computer systems that utilize a server accessing a database connected to a magnetic tape drive. It expedites the retrieval of audit files on tape while performing database recovery. The method involves creating a Tapeset for a group of audit files, initializing a disk directory file to hold positional information, and locating each audit file using this information.

Another significant patent is the "High speed method for flushing data buffers and updating database structure control information." This method operates in a multi-processing system where multiple user programs can access a series of database access methods concurrently. It allows for simultaneous Write operations to buffer units, followed by parallel Input/Output completion operations, ensuring the physical integrity of the data.

Career Highlights

P J Landresse is currently employed at Unisys Corporation, where he continues to innovate in the field of database technologies. His work has been instrumental in enhancing the performance and reliability of data management systems.

Collaborations

He has collaborated with notable coworkers such as Suprio Pal and Vikki Mei-Whey Lai, contributing to various projects that aim to advance database management solutions.

Conclusion

P J Landresse is a distinguished inventor whose work in database management technologies has led to significant advancements in the field. His innovative patents reflect his commitment to improving data retrieval and management processes.