Patents by Inventor Kanaka Durga Rajanala

Kanaka Durga Rajanala has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • QUERY EXPRESSION REPOSITORY
    Publication number: 20210056106
    Abstract: An apparatus, method and computer program product for query optimization in a Relational Database Management System (RDBMS), wherein an optimizer accesses a query expression repository (QER), so that the optimizer learns from previous versions of the queries to improve current and subsequent versions of the queries. The QER stores planning and execution information for QEs from the previous versions of the queries, wherein the QEs comprise table relations, intermediate results and/or final results of operations in the previous versions of the queries. The optimizer searches the QER for QEs from the query execution plans, and uses information from the QEs stored in the QER when optimizing the current and subsequent versions of the queries. The optimizer may also reuses results from the QEs stored in the QER.
    Type: Application
    Filed: December 27, 2019
    Publication date: February 25, 2021
    Applicant: Teradata US, Inc.
    Inventors: Grace Kwan-On Au, Nobul Reddy Goli, Vivek Kumar, Ming Zhang, Bin Cao, Sanjay Nair, Kanaka Durga Rajanala, Sanjib Mishra, Naveen Jaiswal, Lu Ma, Xiaorong Luo