ACD Active Change Directory AMDU ASM asm disk ASM恢复 asm文件 asm磁盘头 AT bbed block prefetch CBO COD Continuing Operations Directory crash Disk directory disk header drop database EXADATA file directory filter FST gc buffer busy acquire gdb JPPD ksfqpn library cache lock ohasd ORA-00600[4193] ORA-00600[16703] ORA-04030 ORA-04031 ORA-15042 Predicate Move-Around PST push subquery Query transformations rac rebalance row cache lock set join conversion SJC systatedump truncate 磁盘组无法mount
-
近期文章
近期评论
标签归档：CBO
Query Transformation- Distinct Aggregate Transformation
GROUP BY操作是数据库中非常常见的语法，通常用于聚合函数的聚合操作。对于o … 继续阅读
CBO-Query transformations
一直想写一篇关于CBO的总结，但是我比较懒也不擅长写文章，每次只需要1秒钟就打消 … 继续阅读