杨澜 我很想你也很爱你 一辈子 » Yang LAN I really think you love your life 网格选择 » Grid select 如果你那样做，你可以得到更多同学的关注 » If you such do, you may obtain the more schoolmate's attention ..
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有了这只小猫 » With this little cat 网格选择 » Grid options 人类唯一的选择就是明智地协调好生产与大自然的关爱之间的关系 » The only choice that is mankind wisely do a good job of coo...
基于12个网页-相关网页
在设计一个网格时，您需要仔细选择分区键。
When designing a grid, you need to choose your partition key carefully.
所以，可以提取关于在选择某种网格大小时在哪个网格层次上将生成多少索引项的信息，而不必真正创建和物化索引。
So you can extract the information how many index entries would be generated on which grid level if you choose certain grid sizes — without actually creating and materializing the index.
这个值越低，优化器就越有可能选择扫描网格索引。
The lower this value is the more likely the optimizer will choose to scan the grid index.
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