multidimensional clustering 中文意思是什麼
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Multidimensional clustering in db2 v8
Db2 v8中的多維群集 -
Multidimensional clustering is a unique new feature in db2 version 8. 1 that is designed to improve the performance of large db2 databases, particularly data warehouses and data marts, and dramatically improve the speed at which you can retrieve records
多維群集是db2 v8中的新特性，它可以改進查詢操作的性能，並且比當前支持的一維群集提供了更大的靈活性。特別是對于數據倉庫和數據集市這樣大型的數據應用，多維群集可以大幅度地提高性能。 -
In a clustered index, the leaf nodes contain the data pages of the underlying table. clustering a data mining technique that analyzes data to group records together according to their location within the multidimensional attribute space
Unicode將定義一組字母、數字和符號， sql server將把它們識別為nchar 、 nvarchar和ntext數據類型。
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