Patents by Inventor Sheng-Liang Song

Sheng-Liang Song 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).

  • Online reordering of database table columns
    Patent number: 10990571
    Abstract: Online reordering for database table columns may allow a user to reorder the columns of a database table without taking the database offline. A mapping between different column orders for a database table may be generated and stored in response to a request to reorder columns in a database table. When a portion of the database table is accessed, the columns of the database table in the accessed portion of the database table may be reordered to perform the access request.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: April 27, 2021
    Assignee: Amazon Technologies, Inc.
    Inventors: Zhaohui Zhang, Sheng-Liang Song, Aakash Shah, Kamal Kant Gupta, Xiaofeng Bao, Saileshwar Krishnamurthy