Patents by Inventor Chun L. Zhang

Chun L. Zhang 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).

  • Patent number: 8346747
    Abstract: Embodiments relate to database technology, and more specifically, to extending database tables in a multi-tenant environment. A method for extending a database table, includes receiving a request of a tenant for extending a database table; and generating a description file corresponding to the tenant according to the received request, the description file describing an extended field defined for the database table as at least one extended column.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: January 1, 2013
    Assignee: International Business Machines Corporation
    Inventors: Chang H. Liu, Ning Wang, Qi R. Wang, Xiao F. Wang, Zhen C. Xiao, Chun L. Zhang, Ying H. Zhou
  • Publication number: 20110238709
    Abstract: Embodiments relate to database technology, and more specifically, to extending database tables in a multi-tenant environment. A method for extending a database table, includes receiving a request of a tenant for extending a database table; and generating a description file corresponding to the tenant according to the received request, the description file describing an extended field defined for the database table as at least one extended column.
    Type: Application
    Filed: March 21, 2011
    Publication date: September 29, 2011
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chang H. Liu, Ning Wang, Qi R. Wang, Xiao F. Wang, Zhen C. Xiao, Chun L. Zhang, Ying H. Zhou