说明：  本书可以帮助您尽快掌握SQL编程技术，书中提供了丰富的范例，帮助您学习如何创建和修改数据库对象、从数据库中添加和检索数据，并修改已经添加到数据库中的数据。本书按照SQL：1999标准编写，可以帮助您执行查询和修改，创建数据库，创建和修改嵌入式语句，排除与系统和数据相关的故障，等等。书中具有丰富的讲解内容、注释的代码以及其他行之有效的教学手段。
(this book can help you quickly grasp SQL programming techniques, the book provides a wealth of examples, to help you learn how to create and modify database objects, from the database to add and retrieval of data and the change has been added to the data in the database. According to the book SQL : 1999 standard preparation can help you execute a query and modify, create databases, create and modify embedded statements, excluding systems and data related to the fault, and so on. The book is rich in content on the Notes code, and other effective means of teaching.)