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时间:2017-11-16 18:40:29      阅读:112      评论:0      收藏:0      [点我收藏+]

标签:tab   apply   back   hat   cpu   color   ack   save   space   

Which statements are true regarding table compression? (Choose all that apply.)
A. It saves disk space and reduces memory usage.
B. It saves disk space but has no effect on memory usage.
C. It incurs extra CPU overhead during DML as well as direct loading operations.
D. It incurs extra CPU overhead during DML but not direct loading operations.
E. It requires uncompress operation during I/O.

053-105

标签:tab   apply   back   hat   cpu   color   ack   save   space   

原文地址:http://www.cnblogs.com/Babylon/p/7845286.html

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