Archive log size summaryAvaliable Undo tbs spaceDataGuard relatedDatapump Jobsget datafile currentSize/smallestSize/size can reducedMost redoquery Segment_name from FILE_ID and BLOCK_IDRMAN statusTBS usage容器当前活跃Session的性能统计信息忘记用户密码的情况下重置为原密码数据文件每次增长大小查找全表扫描的表监控索引使用频率