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:
Sep. 07, 2021
Filed:
Apr. 01, 2019
Sap SE, Walldorf, DE;
Changgyoo Park, Seoul, KR;
Byunghoon Kim, Seoul, KR;
SAP SE, Walldorf, DE;
Abstract
Implementations of the present disclosure include associating a first transaction executed within a database system with a first transaction control block (TCB) index, setting a status of the first transaction to active and a lock status of the first transaction to holding in response to a first set of locks being established for the first transaction, the first set of locks including one or more locks that each inhibit access to a respective resource within the database system, providing a lock table that records, for a set of locks within the database system, a set of lock owners including one or more transactions identified based on respective TCB indexes and a wait queue, and determining that the first transaction has completed, and in response setting the status of the first transaction to indicate completion of the transaction and the lock status of the first transaction to released.