Clustered Index)和非聚簇索引 (Non- Clustered Index)举例说明 聚簇索引(Clustered Index)和非聚簇索引 (Non- Clustered Index) 聚簇索引(Clustered Index)和非聚簇索引 (Non- Cluste...
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The answer to the question as stated in your subject line in general is no. Because you generally would much prefer to have the narrowest covering (probably non-clustered) index.
这个问题的答案所你的主题一般是否定的。因为你通常可能更倾向于有窄覆盖(可能非集群)指数。
Because you generally would much prefer to have the narrowest covering (probably non-clustered) index.
因为你通常可能更倾向于有窄覆盖(可能非集群)指数。
The experimental results prove that it can make a proper log region allocation, efficiently improve search performance, and reduce non-clustered index update cost.
实验证明，该方法能够自适应地划分合理的日志区空间，有效提高查询性能，减少各种非聚集索引的更新代价。
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