12 2014 档案

[MSSQL2008]Spatial Data in SQL Server 2008 - 根据经纬度计算两点间距离
摘要：DECLARE @BJ GEOGRAPHY DECLARE @XT GEOGRAPHY /* GET Latitude/Longitude FROM here:http://www.travelmath.com/cities/Beijing,+China the distance unit in SRID 4326 is the meter */ SE... 阅读全文
posted @ 2014-12-18 15:34 kkun 阅读(3638) 评论(0) 推荐(1)