兼容性判定
支持度none
严重度major
置信度high
依据规则ora.perf.select_star, ora.perf.update_without_where, ora.perf.delete_without_where, ora.perf.cartesian_join, ora.perf.function_wrapped_column, ora.perf.implicit_date_string_compare, ora.perf.implicit_number_string_compare, ora.perf.not_in_subquery, ora.perf.or_chain, ora.perf.deep_nested_subquery, ora.perf.leading_wildcard_like, ora.perf.rownum_without_order, ora.perf.distinct_with_order, ora.perf.nvl_on_predicate_column, ora.perf.scalar_subquery_select, ora.perf.having_without_group_selectivity
怎么改
需按命中位置逐条评估改写
判定说明
静态性能风险维度独立报告呈现，不参与兼容评分
库侧 / 应用侧路径
库侧改造
需人工确认改造边界
应用侧改造
需人工确认改造边界
推荐路线：case_by_case。验证建议：全表 UPDATE 在迁移压测中单独评估锁等待、redo/事务日志和回滚窗口；确认是否确为批处理意图。
规则样例
SELECT * FROM orders
SELECT * FROM app.orders WHERE status = 'NEW'
SELECT id, status FROM orders