在属性表中的字段名称旁边显示星号(*)是什么意思?


Answers:



10

星号表示该字段具有索引。Shapefile默认情况下没有任何索引字段,您需要添加它们。地理数据库要素类始终在Shape字段上具有空间索引,而在ObjectID上始终具有属性索引。

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