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It’s not surprising that developers have become increasingly dependent on the open source PostgreSQL, the nearly 30-year-old ...

RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from ...

传统云迁移往往局限于 “孤立交付流程”：数据迁移由团队负责交付，应用重新部署由另一团队负责落地，系统间衔接依赖人工协调，企业需承担多环节衔接的价值损耗。而 AWS 的价值逻辑是，将迁移、同步、集成与治理整合为连续价值流程，让数据和应用在迁移过程中同步完成适配、测试与集成，最大化减少企业价值损耗。

阿里云、华为云、腾讯云等平台均推出了以“混合云管理 + 数据中台 + 应用集成”为核心的新架构方案。例如，阿里云的混合云迁移中心与华为云的 ROMA Connect 平台，均在向“迁移与集成一体化”方向靠拢。