何时使用Sql Datatype Geometry和Geography？ [英] When to use Sql Datatype Geometry and Geography ?

问题描述

我是SQL服务器的这个地理空间功能的新手。虽然MS BLogs帮助我们最多学习这个，但我仍然不确定我们何时使用几何以及何时使用地理的差异？

解决方案

链接..

http://techbrij.com/html5-geo-location- sql-server-asp-net [ ^ ]

http： //msdn.microsoft.com/en-us/library/bb895266(v=sql.105).aspx [ ^ ]

据我所知，几何可用于2D维度和地理位置可用于3D& 4D尺寸。



您也可以参考这些链接了解更多详情。



几何与地理之间的差异 - 数据类型 [ ^ ]



geometry-vs-geography / [ ^ ]

I an new to this geospatial functionality of SQL server. Although the MS BLogs helps us most to learn this but i am still not sure of the differences of when we use geometry and when to use geography ?

解决方案

Links..
http://techbrij.com/html5-geo-location-sql-server-asp-net[^]
http://msdn.microsoft.com/en-us/library/bb895266(v=sql.105).aspx[^]

As far i know , geometry can be used for 2D dimension and Geography can be used for 3D & 4D dimensions.

You can refer to these links too for more details.

differences-between-the-geometry-and-geography-data-types[^]

geometry-vs-geography/[^]

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