Of course, there’s a bit of Star and Snowflake in all of us. The typical Time Dimension in both schemas is really a collapsed snowflake-turned-star schema design with Year, Quarter, Month dimensions ...
The Snowflake model uses normalised data, which means that the data is organised inside the database in order to eliminate redundancy and thus helps to reduce the amount of data. The hierarchy of the ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果