是关于sqlserver2000学习资料，本内容采用ppt格式，希望对初学者有所帮助！-Is on the SQL Server 2000 learning materials, the content using ppt format, and they hope to be helpful for beginners!

介绍空间数据结构的ppt，是一所很牛大学的资料，要是研究这个领域不看你会后悔的-Introduction of spatial data structures ppt, is a very Bovine University information, if research in this area do not see you will be sorry

SQL的相关PPT内容包括SQL的基础介绍以及相关语句说明及示例-SQL related PPT include SQL basic introduction and explanation of the relevant statements and examples