While creating a job class using the DBMS_SCHEDULER package， you set the logging level to LOGGING_RUNS. What would be the impact of this setting？（） Oracle Scheduler would write detailed information to the job log for each run of each job in the job class.。 Oracle Scheduler would write detailed information to the job log for the first run of each job in the job class.。 Oracle Scheduler would write detailed information to the job log for each run of only the first job in the job class.。 Oracle Scheduler would write detailed information for all operations performed on all jobs in the job class.。
电容型绝缘结构的设备，当末屏处产生悬浮电位时，介质参数的明显表征是（）。 tgσ升高。 绝缘电阻下降。 局部放电量骤增。
明代市民文学的主体象征--小说，发源于（）。 唐诗。 宋词。 元曲。 宋元话本。
简要叙述房地产评估市场法的运用条件。
You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（） create a hash cluster to store the data。 create an index cluster to store the data。 create a partitioned table to store the data。 create a sorted hash cluster to store the data。 create a heap table with rowid to store the data。
密封从总体上分为（）两类。
