设立股份有限公司,应当有2人以上,200人以下为发起人,其中须有半数以上的发起人在中国境内有住所。
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You work as a database administrator for Certkiller .com. In your transaction application, you have scheduled a job to update the optimizer statistics at05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()
Average row size
B. Last analyzed date
C. Size of table in bytes
D. Size of table in database blocks
E. Number of free blocks in the free list
F. Number of extents present in the table.
下列有关患病率的表述,正确的是()
A. 患病率是指某特定时间内的总人口中,患有某病(某病新旧病例)者所占的比例
B. 患病率与发病率和病程无关
C. 患病率是指在特定时间内一定人群中,某病所有病例数所占的比例
D. 患病率对病程短的一些急性传染性疾病的流行状况能提供有价值的信息