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#online-schema-change

1 post tagged online-schema-change.

MySQL 'Waiting for table metadata lock': one ALTER TABLE freezes the whole application - find the blocker and run DDL safelyDatabases · 28 Oct 2026

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© 2026 HubDatAI by Deepak Bhardwaj. A personal, non-commercial knowledge-sharing blog for IT support professionals. Views are my own and not those of any employer. Commands are provided as-is; test them outside production first.