公开(公告)号：US11379458B2

公开(公告)日：2022-07-05

申请号：US16640475

申请日：2018-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kisung Lee ,  Hyeeun Jun

IPC: G06F16/23 ,  G06F16/182 ,  G06F16/18 ,  G06F16/17 ,  G06F7/58

Abstract: An electronic device according to various embodiments of the present invention comprises: a memory for storing a database and a file which includes at least one change data for changing the database; and a processor electrically connected to the memory, wherein, when terminating the use of the database, the processor can initialize at least one data other than a first validity data, included in a header of the file, for determining the validity of the at least one change data, and, when commencing the use of the database following the termination of the use of the database, the processor can change the first validity data included in the header of the file. Other various embodiments are possible.

公开(公告)号：US11907166B2

公开(公告)日：2024-02-20

申请号：US17555826

申请日：2021-12-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kisung Lee ,  Hyeeun Jun ,  Kiwon Song

IPC: G06F16/17 ,  G06F16/18

CPC classification number: G06F16/1727 ,  G06F16/1805

Abstract: Various embodiments of the disclosure disclose a method and an apparatus, which includes: a display, a memory, and a processor operatively connected to the display and/or the memory, wherein the processor is configured to: add a frame to an appended file based on a request to update application data, allocate a reserved space to the appended file, update a database file based on an update condition, and allocate the reserved space to the database file.

公开(公告)号：US11423012B2

公开(公告)日：2022-08-23

申请号：US15931071

申请日：2020-05-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyeeun Jun ,  Kiwon Song ,  Kisung Lee ,  Woojoong Lee

IPC: G06F16/23 ,  G06F11/14 ,  G06F16/178

Abstract: An electronic device and a method for operating the electronic device are provided. The electronic device includes a first memory, a second memory configured to store therein journal data including an operation result of a transaction for data in the database and metadata, and at least processor configured to detect an occurrence of the transaction, identify characteristics of a database system to which the data corresponding to the transaction belongs and characteristics of a file system, determine whether to create a thread for synchronizing the metadata stored in the second memory with the first memory based on the characteristics of the file system and the characteristics of the database system, and synchronize the metadata with the first memory using the created thread corresponding to identifying that the transaction of the data satisfies a condition related to a degree of change of time of the data.