你在为一家银行工作。这家银行使用SQL SERVER 2005数据库存储客户的在线交易数据。已知,银行每天处理大约50,000次交易。应用系统必须要求在列TransactionID上有一个聚集索引。现在,你要为交易创建一个表,它能高效的支持按日期进行交易报表的查询。请问,下面哪两种方法可以达到这个目的?()
【单选题】Passage Two Each year Universum, a Swedish consulting firm asks American MBA students where they would most like to work .The 2007 survey showed a few surprises in its top 50 companies named: Hewlett-...
A.
Only the A performers worth to be hired.
B.
There is no difference among the A, B and C performers.
C.
C performers cannot change into A or B performers
D.
How to do with the C level performers also needs attention.