Patents by Inventor Sukhyeun Cho

Sukhyeun Cho 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).

  • Partition move in case of table update
    Patent number: 11048692
    Abstract: A system includes reception of a query to update a partition key value of a first set of rows of a database table, determination, based on fetched row identifiers, of a first subset of the first rows which are not stored on the first database server node and a second subset of the first rows which are stored on the first database server node, fetching of the first subset of rows from the database server nodes, update of the partition key value of each row of the fetched first subset of rows, instructing of the first database server node to: store the updated rows of the fetched first subset in the first partition stored on the first database server node, and update the partition key value of each of the second subset of rows of the partition stored on the first database server node.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 29, 2021
    Assignee: SAP SE
    Inventors: SungGun Jung, Sukhyeun Cho, Taesik Yoon, Joern Schmidt
  • PARTITION MOVE IN CASE OF TABLE UPDATE
    Publication number: 20200320060
    Abstract: A system includes reception of a query to update a partition key value of a first set of rows of a database table, determination that the updated partition key value is associated with a first partition of the database table stored on a first database server node, fetching of row identifiers of each of the first set of rows from two or more database server nodes in which each of the first set of rows is respectively stored, determination, based on the row identifiers, of a first subset of the first rows which are not stored on the first database server node and a second subset of the first rows which are stored on the first database server node, fetching of the first subset of rows from the database server nodes in which each of the first set of rows is respectively stored, update of the partition key value of each row of the fetched first subset of rows, instructing of the first database server node to store the updated rows of the fetched first subset in the first partition stored on the first database serv
    Type: Application
    Filed: April 2, 2019
    Publication date: October 8, 2020
    Inventors: SungGun Jung, Sukhyeun Cho, Taesik Yoon, Joern Schmidt