The series PPT shallow to deep to talk about the principles of their use of the , is very suitable for beginners to learn.

第6章 SQL高级应用.ppt
第7章 关系数据库理论.ppt
第8章 数据库保护技术.ppt
数据库及信息系统开发技术.ppt
第1章 数据库系统基本概念.ppt
第2章 数据模型与概念模型.ppt
第3章 数据库系统的设计方法.ppt
第4章 关系数据库基础.ppt
第5章 关系数据库标准语言——SQL-1.ppt
第5章 关系数据库标准语言——SQL-2.ppt

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