| 基于BLOB的空间数据存取方法研究与应用 |
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| 引用本文： | 马磊,李永树.基于BLOB的空间数据存取方法研究与应用[J].测绘软科学研究,2011,9(1):72-75,81. |
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| 作者姓名： | 马磊 李永树 |
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| 作者单位： | 西南交通大学地理信息工程中心,四川成都,610031 |
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| 摘 要： | 首先介绍了数据库存储大二进制字段的技术,分析了SDE空间数据存取方法及其特点,提出一种利用大二进制对象存取空间数据的技术方案,并利用实际数据进行了测试与对比。实验表明,本文方法在一定程度上简化了SDE中利用ArcEngine读取和写入记录的问题,提高了空间数据检索效率。
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| 关 键 词： | 大二进制 SDE 空间数据 ArcEngine |
Research and Application of a Read-Write Method About the Spatial Data Based on the BLOB |
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| MA Lei,LI Yong-shu.Research and Application of a Read-Write Method About the Spatial Data Based on the BLOB[J].Research on Sofi Science of Surveying and Mapping,2011,9(1):72-75,81. |
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| Authors: | MA Lei LI Yong-shu |
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| Institution: | (Geography Information Engineering Centre,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | The paper introduced the binary large objects technology in database,and studied the Read-Write method based on the SDE for the spatial data.Then it advanced a kind of project based on the binary large objects for managing the spatial data,and implemented |
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| Keywords: | BLOB SDE Spatial Data ArcEngine |
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