Company Filing History:
Years Active: 2023-2024
Title: Innovations of Qingwei Ren
Introduction
Qingwei Ren is a notable inventor based in Xian, China. He has made significant contributions to the field of database management systems, holding a total of four patents. His work focuses on improving the efficiency and effectiveness of data handling in partitioned database tables.
Latest Patents
One of Qingwei Ren's latest patents is titled "Linear interval-based dynamic range partitioning." This invention discloses computer-readable media, methods, and systems for linear interval-based dynamic range partitioning in one or more database systems. The process begins when a request is received by a database management system to insert a new row into a partitioned database table. If it is determined that the new row should be inserted into the partition others partition, a series of steps are performed. Initially, one or more new partitions are added to the partitioned database table, followed by the insertion of the new row into one of the new partitions.
Another significant patent is "Execution of operations on partitioned tables." This invention reveals methods and systems for utilizing partition-based locking mechanisms to enhance the execution of overlapping data definition language (DDL) and data manipulation language (DML) operations on a partitioned database table. In this process, a first node receives a DML statement associated with a first transaction and acquires an intent exclusive lock on table metadata. A second node then receives a DDL statement associated with a second transaction, acquiring an exclusive metadata lock on the partitioned table metadata. The second transaction waits for the DML operation of the first transaction to complete before executing and committing.
Career Highlights
Qingwei Ren is currently employed at SAP SE, where he continues to innovate and develop new solutions for database management. His expertise in partitioned database systems has positioned him as a valuable asset in his field.
Collaborations
Some of Qingwei Ren's coworkers include Xiaoke Liu and Zhe Qu, who collaborate with him on various projects within the company.
Conclusion
Qingwei Ren's contributions to database management through his innovative patents demonstrate his expertise and commitment to advancing technology in this area. His work continues to influence the efficiency of data handling in modern systems.