本文主要是介绍AWR report 报告中db time的说明（转），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
| 在10g的awr report出了个db time,这里做个简单的说明 先摘录一些官方的说明： DB Time Amount of elapsed time (in microseconds) spent performing Database user-level calls. This does not include the time spent on instance background processes such as PMON. The most important of the time model statistics is DB time. This statistics represents the total time spent in database calls and is a indicator of the total instance workload. It is calculated by aggregating the CPU and wait times of all sessions not waiting on idle wait events (non-idle user sessions). DB time is measured cumulatively from the time that the instance was started. |
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