fact table 中文意思是什麼
fact table
解釋
事實數據表-
Then we get a fact table and five dimension tables. realize mulit - dimension analysis in datawarehouse. for solving the extensible issue of dss, it provides a decision - making and analysis model
為了解決決策支持系統的可擴展性問題，提出了決策分析庫模型，將決策分析方法保存在其中以供客戶使用。 -
Olap queries typically aggregate many rows of the fact table into a relatively small number of summary results
Olap查詢通常將事實表的許多行聚合成一個相對少量的匯總結果。 -
A structural attribute of a cube, which is an organized hierarchy of categories levels that describe data in the fact table
常量（ constant ）代表特定數據值的一組符號。常量的格式取決於它所代表的值的數據類型。 -
The data flow extracts and converts currency information by using sql statements, and then updates a fact table in
數據流提取貨幣信息並使用sql語句轉換貨幣信息，然後更新 -
Each dimension table is directly related to and usually joined to the fact table by a key column
為表定義的屬性，防止可能創建無效數據的數據修改。 -
Loads data from a. csv file into a fact table in
大容量插入任務將數據從. csv文件加載到 -
For example, if you are loading data into a star schema, you can build a separate package to populate each dimension and the fact table
例如，如果將數據加載到星型架構中，則可以生成一個單獨的包來填充每個維度和事實數據表。 -
Many - to - many dimension relationships expand the dimensional model beyond the classic star schema, and support complex analytics even when dimensions are not directly related to a fact table. for more information, see
多對多維度關系擴展了維度模型，使其超越了傳統的星型架構，並且即使在維度沒有直接與事實數據表相關時也可以支持復雜的分析。 -
When an index hint referring to multiple indexes is used on the fact table in a star join, the optimizer ignores the index hint and returns a warning message
如果將引用多個索引的索引提示用於星型聯接中的事實數據表，則優化器將忽略索引提示，並返回一個警告消息。 -
Based on the datawarehouse ( dw ) and decision support syst ^ m ( dss ), this paper presents a data warehouse module on a traditional database. the key point of designing a data warehouse is how to design fact table and dimension table
基於數據倉庫和決策支持的系統的原理，本文在傳統數據庫（ mis系統）的基礎上，提出了構建數據倉庫的模型，闡述了如何進行混合型的數據倉庫建模。 -
In this task, you learn to link a dimension to a fact table indirectly through a dimension that is linked directly through a primary keyforeign key relationship
在本任務中，您將了解如何通過維度（維度通過主鍵-外鍵關系直接鏈接）將維度間接鏈接到事實數據表。 -
Transactions are stored in the fact table in local currencies
交易以本地貨幣存儲在事實數據表中。 -
The local currency for a transaction in a fact table can be identified in one of two ways
可以用下面的兩種方法之一來標識事實數據表中交易的本地貨幣： -
Thirdly, we need to build up database to keep the data for data mining, and based on the analysis of economic data warehouse, data table and the problems of data granularity, data partition and the structure of data warehouse, we set the star structure of regional macro economic analysis, and we design the fact table and dimension table for data warehouse. so we design and construct economic data warehouse and fulfill economic data entry, transfer, store and management
在這章中我們給出了一個關于pse的數據倉庫屬性的定義，即：數據倉庫是一種來源於各種渠道的單一的、完整的、穩定的、集成的數據存儲，這個儲存的數據本質上是面向主題的、集成的、非易失的和可動態更新的，數據的邏輯形式是提供公式數據和組織數據。 -
The data flow extracts quotas for salespeople and updates a fact table in
數據流提取銷售人員的配額並更新 -
And updates a fact table in
中的事實數據表。 -
A fact dimension is a dimension whose attributes are drawn from a fact table
」 。事實維度是指其屬性來源於事實數據表的維度。 -
And one fact table
和一個事實表 -
When you define a db2 warehouse target table, you can specify whether the table is created by the db2 data warehouse center, and whether it is a part of an olap schema, which means it might eventually be used as a dimension or fact table in a multidimensional data model, such as a star model
中可以看到的，在定義db2倉庫目標表時，可以指定是否由db2 data warehouse center創建該表，以及該表是否是olap模式中的一部分，這意味著它可能最終被用作多諸如星型模型之類的維數據模型中的一個維度或事實表。 -
The fact table is joined with each dimension table on a dimension key. sql server considers special index manipulation strategies on these queries to minimize access to the fact table. 2
其值與同一個表或另一個表中的主鍵（ pk ）或唯一鍵相匹配的列或列的組合，也稱為引用鍵。
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