#online-ddl
The latest AI and developer news about #online-ddl, with the original source and a short summary.
The latest AI and developer news about #online-ddl, with the original source and a short summary.
Starting from 0% test coverage, they safely improved 6 years of legacy by changing code, ERDs, and documentation.
This analysis compares the operational principles of MySQL's Copy, In-Place, and Instant ALTER DDL algorithms and their Metadata Lock acquisition patterns.