This is a star schema consisting of a fact table and four dimension tables.
这是一个星型模式，由一个事实表和4个维表组成。
The Tralfamadorians see in four dimensions, the fourth dimension being time.
特拉法马铎星球上的人能看到四维空间，而这第四个空间就是时间。
The report data comes from four dimension tables PROJECT, DEPARTMENT, ACTIVITY, D_TIME and one fact table HUMANCOST.
报告数据来自四个维度表project、DEPARTMENT、ACTIVITY、D _ TIME和一个事实表humancost。
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