Oracle_spatial的空间索引
空间索引rn1、空间索引的创建rnrn1)创建索引之前总是要为空间层插入元数据rnrn2)如果之前创建的索引失败了,必须先删除才能创建rnrnDrop index customers_sidx;rnrn创建索引:rnrnCreate index customers_sidx on customers(location)rnrnIndextype is mdsys.spatial_indexrnrn
空间索引rn1、空间索引的创建rnrn1)创建索引之前总是要为空间层插入元数据rnrn2)如果之前创建的索引失败了,必须先删除才能创建rnrnDrop index customers_sidx;rnrn创建索引:rnrnCreate index customers_sidx on customers(location)rnrnIndextype is mdsys.spatial_indexrnrn