说明: 1.监控事例的等待: select event,sum(decode(wait_time,0,0,1)) prev, sum(decode(wait_time,0,1,0)) curr,count(*) from v$session_wait group by event order by 4; 2.回滚段的争用情况: <wfjava> 上传 | 大小:283kb
说明: Data warehousing provides architectures and tools for business executives to systematically organize, understand, and use their data to make strategic decisions. A large number of organizations have found that data warehouse systems are valuable too <nieqinggang> 上传 | 大小:19kb