上传者: admin9621
|
上传时间: 2021-10-31 04:17:33
|
文件大小: 8.06MB
|
文件类型: -
超级详细,每个步骤都很详细。
1、Suppose that a data warehouse consists of four dimensions, date, spectator, location, and game, and two measures, count and charge, where charge is the fare that a spectator pays when watching a game on a given date. Spectators may be students, adults, or seniors, with each category having its own charge rate.