在默认情况下,为了提高快速刷新(fast refresh)的性能,将会自动为容器表创建一个索引。如果不想创建这个索引,可以指定参数 using no index来实现。
基于36个网页-相关网页
...来跟踪Oracle数据库中表的变化, 然后写Perl程序去将变化过的数据刷新到MySQL数据库中, 充分防照实体化视图增量刷新(Fast Refresh)的原理, 可以高效地实现这一功能, 足以应对一般的业务需求了. 下面强调最主要的几点:
基于12个网页-相关网页
Snapshot fast refresh 快照快速刷新
Refresh FAST 增量刷新
Fast Data Refresh 快速数据更新
fast refresh
快速刷新
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Qualcomm says the setup enables bright colors in direct sunlight, weeks-long battery life and an image refresh rate fast enough to support video.
FORBES: Qualcomm Gets A Fourth Mirasol Device: Taiwan's Koobe Jin Yong E-Reader
The other is that they must be able to refresh their images at a rate fast enough to show moving pictures.
ECONOMIST: Electronic screens as thin as paper are coming soon
VIZIO's Theater 3D technology included in the new XVT-Series takes movies, sports and gaming into a new dimension while an effective refresh rate of 240 Hz keeps even the most fast-moving pictures smooth and stable.
ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream
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