Pre-Ake Larson

Title: Pre-Ake Larson: Innovator in Query Optimization

Introduction

Pre-Ake Larson is a notable inventor based in Redmond, WA (US). He has made significant contributions to the field of query optimization, particularly through his innovative patent. His work focuses on enhancing the efficiency of query processing in database systems.

Latest Patents

Pre-Ake Larson holds a patent titled "Exploiting partitioning, grouping, and sorting in query optimization." This patent describes an optimizer that utilizes comprehensive reasoning regarding partitioning, sorting, and grouping properties for query optimization. The process involves logical exploration to generate alternative logical expressions and physical optimization to explore physical operator alternatives for logical operators. The optimizer determines the required partitioning, sorting, and grouping properties of inputs to physical operators, as well as the delivered properties of outputs from these operators. Enforcer rules may be employed to modify structural property requirements, allowing for the introduction of alternatives for consideration. Ultimately, property matching identifies valid execution plans that satisfy the required properties, with the lowest cost execution plan selected as the optimized execution plan.

Career Highlights

Pre-Ake Larson is currently associated with Microsoft Technology Licensing, LLC, where he continues to innovate in the realm of technology and optimization. His work has had a profound impact on how databases handle complex queries, making them more efficient and effective.

Collaborations

Throughout his career, Pre-Ake Larson has collaborated with esteemed colleagues such as Jingren Zhou and Ronnie Chaiken. These collaborations have further enriched his contributions to the field of query optimization.

Conclusion

Pre-Ake Larson's innovative work in query optimization exemplifies the importance of advancements in technology. His patent and contributions continue to influence the efficiency of database systems today.