Head First SQL

这不是一本教你快速写出漂亮查询的代码手册，而是一本试图重建你对数据库认知的入门书。它把'面向问题的建模'放在SQL的第一要义：表和表之间的关系才是核心，第一、第二范式都围绕它展开，而增删改查只是类Excel的功能。书中反复提醒读者——'没人能保证表的最后一行就是最新输入的记录'，执行删除前务必先用SELECT确认，表应为节省精力而设计，别用低效查询去弥补设计缺陷。这些看似啰嗦的叮嘱，恰恰是它区别于其他SQL教程的地方：不追求炫技，而是把'慢就是快'的底层逻辑讲透。适合想真正理解数据库为何如此运作、而非只会搬动数据的初学者。

Lynn Beighley is a fiction writer stuck in a technical book writers body. Upon discovering that technical book writing actually paid real money, she learned to accept and enjoy it. After going back to school to get a Masters in Computer Science, she worked for the acronyms NRL and LANL. Then she discovered Flash, and wrote her first bestseller. A victim of bad timing, she moved to Silicon Valley just before the great crash. She spent several years working for Yahoo! and writing other books and training courses. Finally giving in to her creative writing bent, she moved to the New York area to get an MFA in Creative Writing. Her Head First-style thesis was delivered to a packed room of professors and fellow students. It was extremely well received, and she finished her degree, finished Head First SQL, and cant wait to begin her next book. Lynn loves traveling, cooking, and making up elaborate background stories about complete strangers. Shes a little scared of clowns.