SQL Server 2008 空間資料 2

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*空間函數
     使用 "." 來存取屬性,或是呼叫執行個體的方法。例如 @g.STArea()、@g.STX
     使用 "::" 來呼叫類別提供的靜態方法。例如:Geometry::STGeomFromText()
     呼叫方法要加括號,屬性則不需要
     方法、屬性名稱要區分大小寫
     STConvexHull、 STIntersection、STDistance…

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