The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 2023
Filed:
Jun. 27, 2019
Beijing Baidu Netcom Science and Technology Co., Ltd., Beijing, CN;
Hao Song, Beijing, CN;
Baohua Lai, Beijing, CN;
BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
Enclosed are a method and apparatus for operating a database. The method includes: performing, in response to determining a user indicated by a user identifier having a permission to operate on data targeted by a database operation statement, a digital signature on the database operation statement using a user private key to obtain signature information, generating transaction information according to the database operation statement, the signature information and the user identifier, and storing the generated transaction information into a local transaction information buffer pool; and selecting, in response to competing for a transaction information block recording permission using a preset consensus algorithm, transaction information in the local transaction information buffer pool to generate a block, parsing and executing a database operation statement in each piece of selected transaction information, concatenating the generated block to a local blockchain, and broadcasting the generated block to other database servers.