stock index of return 股指收益率
DB2 can then return qualified rows to the program in the desired order, the order of the index.
然后,DB 2可以根据预期顺序,也就是索引顺序,向程序返回符合条件的行。
Because the index represents the average return of all investors before costs, some managers will beat the index while others will underperform.
由于指数是所有投资人的平均回报(收取费用前),有些管理人能够超过指数回报,而有些则不能。
They index fewer pages and return less frequently to sluggish sites because they can index more pages in the same amount of time elsewhere.
对于缓慢的站点,它们编入索引的页面更少,而且再次访问的频率更低,因为在同样的时间内它们能够在其他地方处理更多的页面。
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