本书介绍了在Java编程中78条极具实用价值的经验规则, 这些经验规则涵盖了大多数开发人员每天所面临的问题的解决方案。通过对Java平台设计专家所使用的技术的全面描述, 揭示了应该做什么, 不应该做什么才能产生清晰、健壮和高效的代码。

Head First SQL is about RDBMS (databases) specifically mySQL (version 5.0 or newer) and includes features of other databases. The book defines a database, demonstrates how to navigate an existing database, and teaches how to create simple and complex databases, as well as how to let a database grow from simple to complex.