Rechercher dans le manuel MySQL
26.12.12 Performance Schema Lock Tables
[+/-]
The Performance Schema exposes lock information through these tables:
data_locks
: Data locks held and requesteddata_lock_waits
: Relationships between data lock owners and data lock requestors blocked by those ownersmetadata_locks
: Metadata locks held and requestedtable_handles
: Table locks held and requested
The following sections describe these tables in more detail.
Document created the 26/06/2006, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/mysql-rf-performance-schema-lock-tables.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.