MariaDB 13 正式发布：扩展 Oracle 兼容性并改进开发者体验与可观测性
原标题：MariaDB 13 Expands Oracle Compatibility and Improves Developer Experience and Observability
AI 摘要
MariaDB Community Server 13.0 正式发布并达到 GA 稳定状态。该版本扩展了对 Oracle PL/SQL 的兼容性，新增 REF CURSOR 和 RECORD 类型支持，并为 UPDATE 语句引入 RETURNING 子句。此外还改进了查询优化器提示框架，并增强了可观测性与管理能力，如将复制角色暴露为系统变量。MariaDB 13 为滚动发布版本，下一个 LTS 版本计划为 13.3。
正文节选
MariaDB Community Server 13.0 has reached General Availability (GA) and is now officially stable. This release introduces a range of new features, deprecations, and performance improvements, including expanded support for procedural SQL, new DML capabilities, and more. To make the transition of Oracle PL/SQL-based enterprise applications smoother, MariaDB 13 introduces native support for REF CURSOR types and RECORD types in routine parameters and function return values. Support for weak and stro