MySQL Bugs
- #121506: Wrong result: with subquery_to_derived=on, a correlated scalar COUNT(*) over a derived table is not grouped when the cor
- #121505: Wrong result: EXISTS (semijoin duplicate weedout) over a derived table with INTERSECT ALL / EXCEPT ALL removes the dupli
- #121504: FEDERATED: ER_NET_ERROR_ON_WRITE (1160) from closing a dead remote connection is returned to an unrelated statement
- #121503: Concurrent TransactionScopes share one physical connection: failures, leaked open transactions, finalizer-thread crash
- #121500: CTE omits a row from a GROUP BY WITH ROLLUP result
planet.mysql.com
- Announcing VillageSQL Server 0.0.7
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- MySQL Online DDL "Duplicate Key" Optimization
- FOSS 2026 conference in Chernihiv: how it went
- Docker DBA Lab
- SecureBridge 12.1, EntityDAC 4.1, and dbExpress drivers: Support for RAD Studio 13 Florence Release 2, SQL Server 2025, and MySQL 9.7
- PGO or not PGO this is the dilemma. Step 1
- Step by Step: ProxySQL HA with BGP ECMP Anycast
- Your Galera cluster’s hardest problem was never the replication library
Percona Blog
lefred's blog:MySQL Evangelist
- Dealing with caching_sha2_password in MariaDB Server – Part 2: Migrating Users from MySQL with pt-show-grants
- MariaDB InnoDB Disk Space & Fragmentation
- MariaDB 13.1 Feature in Focus: JSON Operators and JSON_TABLE Improvements
- MariaDB Server 12.3, 11.8, 11.4, 10.11, 10.6 – May 2026’s releases: thank you for your contributions
- MariaDB Innovation: InnoDB-Based Binary Log
J-F Gagné's MySQL Blog
- MySQL 8.0.17 GTID Crash Safety Improvement
- Understanding MySQL Replication "fatal error 1236": "Replica has more GTIDs than the source has, using the source's SERVER_UUID"
- MySQL Best Practice : not using date / time types, nor ENUM
- Do not uselessly grant CREATE and ALTER TABLE
- Inserting in Two Tables in a Single Round-Trip with JSON Duality Views in MySQL 9.7