[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fa20ZAEAI8-647Lez_UUpc1IQRgSn2GVUkCbVTPEy2iE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-20 06:40:38",218615851,[8,9,10,11],"CONNECT","JOIN","GROUP","Union",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},17,"18c043233181654bcd2cc473361bb119","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faeb25db502ee8d57f11664b49dc995c0.png","空间数据处理与应用","work_45869503","第4章使用OGR过滤数据g","在 SQL 语句中,如果涉及到两个图层,可以通过哪个命令将属性表连接",[21,32,35,44,52,61,70,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],218615849,[25,26,27,28],"'Seattle%' LIKE 'North Seattle'","'Sea%le' LIKE 'Seattle'","'Sea_le' LIKE 'Seattle'","'_eattle' LIKE 'Seattle WA'","以下命令返回为真的选项为( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],218615853,[39,40,41,42],"以上答案均正确","feat = ogr.Open(fn, 0).GetLayer(0).GetNextFeature()","lyr = ogr.Open(fn, 0).GetLayer(0) feat = lyr.GetNextFeature()","ds = ogr.Open(fn, 0) lyr = ds.GetLayer(0) feat = lyr.GetNextFeature()","以下命令书写错误的选项为( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":43,"source":30,"type":31},[],218615855,[48,49,50,51],"lyr.GetFeature(2).GetField(name)","lyr.SetAttributeFilter('continent = "South America"')","lyr.SetAttributeFilter("continent = 'South America'")","lyr.GetFeature(2).GetField('name')",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":30,"type":31},[],218615857,[56,57,58,59],"SetSpatialFilterRect","SetSpatialFilter","ExecuteSQL","SetAttributeFilter","使用属性过滤条件查看要素时,可以调用哪个函数",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],218615859,[65,66,67,68],"st_buffer","st_merge","st_union","st_collect","如果 OGR 版本支持 SpatiaLite,可以通过()函数将多个多边形要素合并成一个几何对象",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],218615861,[74,75,76,77],"空间范围","属性","几何对象","索引","空间过滤条件可以利用什么来选择要素",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],218615863,[83,84,85,86],"0","-1","NULL","1","SetAttributeFilter 函数返回值为多少,说明查询语句执行成功",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],218615865,[92,93,94,95],"空间参考系统","投影方式","几何类型","分辨率","作为空间过滤条件的要素或坐标,必须与要筛选的图层具有同样的()",{"answer":98,"createTime":5,"id":99,"options":100,"question":103,"source":30,"type":31},[],218615867,[101,94,74,102],"图层名称","属性字段","属性过滤条件是通过一个或多个()的值来限定要素"]