问题:
A . create baseline metrics for today’s performance
B . write the current database metrics to a database table and create a trigger to compare with future database statistics
C . write the current database metrics to a flat file and create an operating script to compare with future database statistics
D . write the current database metrics to a database table and create a procedure to compare with future database statistics
E . write the current database metrics to a database table and submit a job using DBMS_JOB to compare with future database statistic
● 参考解析
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