Collins English Verb Tables © HarperCollins Publishers 2011 ThesaurusAntonymsRelated WordsSynonymsLegend: Switch tonew thesaurus Noun1.dimension- the magnitude of something in a particular direction (especially length or width or height) magnitude- the property of relative size or extent (whether large...
The second complication goes to the purpose of this book: It can be hard to measure expectations, but it is impossible to measure them if you cannot define them. Data is not a thing with hard and fast boundaries (Redman, 2007), but data does come to us in forms (records, tables, fil...
Data Warehousing > Concepts > Conformed Dimension A conformed dimension is a dimension that has exactly the same meaning and content when being referred from different fact tables. A conformed dimension can refer to multiple tables in multiple data marts within the same organization. For two ...
I would model the Location und Region in the same dimension (named according the business usage, for example D_Location, or D_Geography). I think you dont need to track association of location and region in the dimension tables. That association can be in the fact table. I wo...
One of the biggest objections I hear to calendar tables is that people don't want to create a table. I can't stress enough how cheap a table can be in terms of size and memory usage, especially as underlying storage continues to be larger and faster, compared to using all kinds of fu...
Pete Smith, in Oracle 10g Data Warehousing, 2005 13.2.5 Creating Dimensions Typically, a data warehouse consists of tables, which can be fact and dimension tables; in the previous section, we saw how to physically create tables. At this stage in the development of our data warehouse, we ...
Factless facts are those fact tables that have no measures associated with the transaction. Factless facts are a simple collection of dimensional keys which define the transactions or describing condition for the time period of the fact. ... It is a fact, plain and simple. Can a table be bo...
Hello, I have two fact tables with a different time granularity. First fact table has the grain month, second has the grain quarterly. Should they use...
can be based on different fact tables. When you create a new dimension in Analysis Services, you must define it as private or shared. Choosing to make a dimension private or shared depends on the structure of the fact tables in the warehouse and the business process you are trying to ...
Our business users want to report on some fact data aggregated by week. They define a week as beginning on Sunday and ending on Saturday without regard to the year. An example query would be how many employees were hired in each of the previous four weeks? While SQL Server has the...