oraclespatial

2019-04-13

利用Oracle Spatial求几何对象的长度和面积

http://www.cnblogs.com/clarkzheng/archive/2007/03/17/678532.htmlrnrn一、求几何对象的长度rn格式：rnSDO_GEOM.SDO_LENGTH(geom IN MDSYS.SDO_GEOMETRY,dim IN MDSYS.SDO_DIM_ARRAY[,unit IN VARCHAR2]) RETURN NUMBER;rnrn或rn…