SQL.21日自学通，SQL的自学书籍。全文通俗易懂，从简单的入手，慢慢带着我们进入MYSQL的知识殿堂，由浅及深，很适合初学者。-SQL.21 pass on self-learning, SQL self-study books. The full text of user-friendly, from the simple to start slowly with MYSQL knowledge as we enter the hall, by the shallow and deep,

SQL学习材料汇总的精华见解，参考书籍对照，可以加快学习进度，更好掌握数据库原理。-Summarizes the essence of learning materials SQL views, reference books controlled, can speed up the learning progress, and better knowledge of database theory.

SQL source management books-SQL source management books