SQL的基本语法，中英文对照，有具体的实例-SQL basic syntax, in both Chinese and English, with specific examples

教sql的书，英文，很基础，但很好，入门书籍-Sql books to teach English, very basic, but good intro book

英汉词典系统就是为学生提供英汉专业名词查询, 使学生在学习程中, 可以随时查找不明白的英语单词、基本名词 同时, 我们还可以根据自己的学习情况, 随时添加、删除英语单词及解释, 从而达到更好的学习效果-The english-chinese dictionary system is to provide students with Chinese and English noun inquires professional, so that the students in the learnin