问题

You find today’s per

You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

Acreate baseline metrics for today’s performance
Bwrite the current database metrics to a database table and create a trigger to compare with future database statistics
Cwrite the current database metrics to a flat file and create an operating script to compare with future database statistics
Dwrite the current database metrics to a database table and create a procedure to compare with future database statistics
Ewrite the current database metrics to a database table and submit a job using DBMS_JOB to compare with future database statistic

参考答案

参考解析：

分类：1Z0-042题库

相关推荐

1、在Alcatel BSS O&M概念中，S

在Alcatel BSS O&M概念中，SBL是最基本但是最重要的单元，SBL被Disable后，其状态是：（）AA、ITBB、SOSCC、OPRDD、FOS

2、If you find errors&#

If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT，&#...

3、2008年9月，某公司卖出12月到期的S&P500指数期货合约，期指

2008年9月，某公司卖出12月到期的S&P500指数期货合约，期指为l400点，到了l2月份股市大涨，公司买入l00张12月份到期的S&P500指数期货合约进行平仓，期指点为1570点。S&P500指数...

4、表达式10>5&&6%3的值是()

表达式10>5&&6%3的值是()A-1B非零值C0D1