先看结论
支持度undeclared
置信度medium
严重度critical
能力矩阵暂未声明该特征，按未覆盖处理并降低置信度，建议 PoC 复核
改写
需按命中位置逐条评估改写
库侧 / 应用侧
库侧
可行：目标端重建 DBLINK/FDW 等价链路
应用侧
可行：跨库访问上移应用编排或数据下沉本地表
验证建议：跨库一致性窗口与超时语义验证
参考来源
- https://cloud.tencent.com/document/product/1376/126608
- https://cloud.tencent.com/document/product/1376/126644
- https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/CREATE-DATABASE-LINK.html
- internal: Minorli/ob_comparator schema_diff_reconciler.py:2444 VIEW_FIXUP_RISK_PATTERNS(VIEW_DBLINK_RESIDUAL)
- internal: Minorli/ob_comparator schema_diff_reconciler.py:7341 normalize_view_dblink_policy