政采云技术
Jan 20, 2022 · Databases
InnoDB MVCC: Concepts, Implementation, and Visibility Rules
This article explains InnoDB's Multi-Version Concurrency Control (MVCC) mechanism, detailing undo log, readview, hidden columns, visibility algorithms for RR and RC isolation levels, and includes source code snippets illustrating read view assignment and visibility checks.
Database InternalsInnoDBIsolation Levels
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