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    Comparison of database data
    1.
    发明授权
    Comparison of database data 有权

    公开(公告)号：US12135702B2

    公开(公告)日：2024-11-05

    申请号：US17016431

    申请日：2020-09-10

    Applicant: International Business Machines Corporation

    Inventor： Jia Tian Zhong ,  Xing Xing Shen ,  Peng Hui Jiang ,  Cai Zhou ,  Dong Hui Liu ,  Jia Yu ,  Yong Yin

    IPC: G06F16/22 ,  G06F16/215 ,  G06F16/23

    Abstract: Embodiments of the present disclosure relate to a method, system, and computer program product for comparison of database data. According to the method, a first tree structure corresponding to first data segments of first database data and a second tree structure corresponding to second data segments of second database data are at least partially obtained. Each node of the first or second tree structure indicating a characteristic value of at least one of the first or second data segments, and nodes of the first or second tree structure are divided into a first or second plurality of branches from a first or second root node based on update frequencies of the first or second data segments. A difference between the first data segments and the second data segments is determined by at least comparing characteristic values indicated by nodes in the obtained parts of the first and second tree structures.

    Password authentication
    3.
    发明授权
    Password authentication 有权

    公开(公告)号：US11580210B2

    公开(公告)日：2023-02-14

    申请号：US17178329

    申请日：2021-02-18

    Applicant: International Business Machines Corporation

    Inventor： Jia Tian Zhong ,  Xing Xing Shen ,  Peng Hui Jiang ,  Dong Hui Liu ,  Yong Yin ,  Jia Yu

    IPC: G06F21/36 ,  G06F21/71 ,  G06F21/60 ,  G06F21/46

    Abstract: Embodiments of the present invention relate to password authentication. According to an embodiment of the present invention, a password associated with a user identification is received from a user device. The password is authenticated based on a preset relationship between a seed password and a graphical password associated with the user identification. The seed password consists of a string of characters. The graphical password is a directed path traversing all keys of a keypad in an order. Each of the keys represents one of the characters and is associated with an order number according to the order of the keys being traversed. The preset relationship is that the password consists of respective order numbers associated with respective keys representing corresponding characters of the seed password.

    Continuing a running script after modification
    4.
    发明授权
    Continuing a running script after modification 有权

    公开(公告)号：US10983857B2

    公开(公告)日：2021-04-20

    申请号：US16171943

    申请日：2018-10-26

    Applicant: International Business Machines Corporation

    Inventor： Hong Wei Sun ,  Zhan Peng Huo ,  Si Er Han ,  Xing Xing Shen ,  Dian BJ Wang

    IPC: G06F11/00 ,  G06F11/07 ,  G06F11/36 ,  G06F11/34 ,  G06F8/70

    Abstract: A computer-implemented method includes detecting that a first script has been modified to an updated script and that the first script is currently running. A data key point is selected from among a set of data key points available in the first script. At the selected data key point in the first script, a current state of the first script is saved in a storage object external from the first script, responsive to detecting that the first script has been modified. An execution point is selected in the updated script. The current state of the first script is loaded into the updated script. The updated script is run from the execution point, with the current state of the first script.

    Utilizing a structured audit log for improving accuracy and efficiency of database auditing
    6.
    发明授权
    Utilizing a structured audit log for improving accuracy and efficiency of database auditing 有权

    公开(公告)号：US12248456B2

    公开(公告)日：2025-03-11

    申请号：US17708440

    申请日：2022-03-30

    Applicant: International Business Machines Corporation

    Inventor： Jia Tian Zhong ,  Peng Hui Jiang ,  Dong Hui Liu ,  Xing Xing Shen ,  Jia Yu ,  Yong Yin ,  Jing Lu ,  Xiao Yan Tang

    IPC: G06F16/23

    Abstract: A computer-implemented method, system and computer program product for improving accuracy and efficiency of auditing databases. A table, list or index of a database is analyzed to identify metadata, which includes time series data, user data, an Internet Protocol address and operation data. The identified metadata is associated with the corresponding record or row of the table, list or index from which the metadata was extracted. A determination is then made as to whether to record a raw data image associated with the record or row of the analyzed table, list or index based on the corresponding data operation. The identified metadata as well as the recorded data images, if any, are stored in a structured audit log. Auditing information is then obtained from a structured audit log based on matching the record or row identifier (RID) associated with the query with the RID associated with the structured audit log.

    Heap space management
    9.
    发明授权
    Heap space management 有权

    公开(公告)号：US11526437B1

    公开(公告)日：2022-12-13

    申请号：US17345142

    申请日：2021-06-11

    Applicant: International Business Machines Corporation

    Inventor： Gan Zhang ,  Xing Xing Shen ,  Shan Gao ,  Le Chang ,  Ming Lei Zhang ,  Zeng Yu Peng

    IPC: G06F12/02 ,  G06F12/0875

    Abstract: A method for heap space management includes, in response to a determination that consumption of a first heap space of an application exceeds a first threshold, determining whether a second heap space of the application after garbage collection is sufficient to accommodate data stored in the first heap space. The method further includes, in response to a determination that the second heap space after the garbage collection is sufficient to accommodate the data, performing the garbage collection on the second heap space. The method further includes storing the data into the second heap space.

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