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聚簇

网络cluster; clustering; Clustered

聚簇

网络释义

聚簇

cluster

但聚簇(Cluster)有利于聚簇(Cluster)表之间在cluster key上的联合查询；但对于单表的full table sｃａｎ　肯定会影响的；因为要 …

clustering

根据索引键值把记录行放在磁盘上被称为聚簇( clustering ) 。所引用的行和键值顺序一样的索引称为聚簇索引（clustered index …

Clustered

系统自动为该表生成一个聚簇（ Clustered）索引。列级主键限制：CREATE TABLE publishers( pub_id char(4) PRIMARY KEY…

clusting

SQLite不可以将数据库分布到不同的机器上，不能实现聚簇（clusting）。4. 内存消耗对于事务操作，SQLite会在内存中分配脏 …

Cluster Table

聚簇（Cluster Table）是一种合并段存储的情况。Oracle认为，如果一些数据表更新频率不高，但是经常和另外一个数据表进行 …

VM Cluster

...一个计算资源集合的聚合体，这个聚合体称之为 VM 聚簇（ VM Cluster ）。

keep spatial proximity

...ferent operations）大数据集磁盘聚簇（keep spatial proximity）对空间数据表或其索引做分区，使其保存在不同的表空间、 …

例句：

The common column in the set of tables built into a cluster . The cluster key must be indexed .

一组聚簇表的共同的列。聚簇键必需要有索引。

If the Index Consultant recommends many clustered indexes, you may have to unload and reload your database to get the full benefit .

如果 [索引顾问 ]推荐许多聚簇索引，您可能必须在卸载和重装数据库之后才能获得全部益处。

Using clustered indexes stores rows in a table in approximately the same order as they appear in the index .

可使用聚簇索引存储表中的行，其顺序与索引中行出现的顺序几乎相同。

Data clustering can have an especially large impact on data warehouse query performance , because rows are often retrieved in large numbers.

数据聚簇对于数据仓库查询性能的影响尤其显著，因为常常在一个查询中获取许多行。

As well, you can improve performance by creating a clustered index on a table .

此外，您可以通过在表上创建聚簇索引来提高性能。

The index on the cluster key . Each cluster key must have an index before data can be entered into the cluster .

聚簇索引：建在聚簇键上的索引。在数据存入聚簇表之前，聚簇键必要建立索引。

Multi-dimensional clustering , which often improves performance of analytic queries .

多维聚簇，常常能够提高分析查询的性能。

thus , we also investigated the effects of elf - mf exposure on clustering of egf , tnf receptors in cultured cells .

因此本文又进一步探索了极低频磁场对细胞膜受体聚簇的作用。

If a pixel with the same value is found on any of the four sides of pixel, the two pixels will be clumped together .

任何临边的具有雷同值的像素被发明，两个像素将被聚簇在一路。

The difference between 4N and 8N is the number of neighbours (N ) used in clumping contiguous pixels .

4N 和 8N 之间的差别是聚簇邻接像素的邻居（N ）数量。

Using the clustered index feature increases the chance that the two rows will appear on the same page in the database .

使用聚簇索引特性可以提高临近两行出现在同一数据库中页上的可能性。

Note : When dissolving a raster (grid ) you will be asked to a Clumping Method .

重视：在闭幕栅格（网格）时会提示选择一种聚簇办法。

For more information , see Indexes and Using clustered indexes .

有关详细信息，请参见索引和使用聚簇索引。

Listing 4 creates a table with multi-dimensional clustering of sales data by product, region, and time.

清单 4 创建一个按产品、地区和日期对销售数据进行多维聚簇的表。

In addition , multi-dimensional clustering can also improve the performance of reorganizing , inserting, and deleting data .

另外，多维聚簇还可以改进数据重组、插入和删除的性能。

When the option is set to OLAP, the Clustered Hash Group By algorithm is enabled .

当该选项设置为 OLAP 时，将启用聚簇散列 GroupBy 算法。

This paper proposes an approach for mining scene clusters based on the difference from the frame motion.

本文以此计算帧运动量，提出一种监控视频场景聚簇模式挖掘方法。

For more information on using the CLUSTERED option , see Using clustered indexes .

有关使用 CLUSTERED 选项的详细信息，请参见使用聚簇索引。

A cluster index is created based on unqiue index , it is also a common unqiue index .

一个表是否可以同时存在聚簇索引和普通索引？

Several statements work in conjunction with each other to allow you to maintain and restore the clustering effect

可以联合使用若干语句来维护和恢复聚簇效果

An optimization method for multi-join queries applying cluster index

应用聚簇索引的多连接查询优化方法

Optimization Method of Clustering Index in Data Warehouse

数据仓库中聚簇索引的优化方法

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