本书全面介绍了Transact—SQL，全书共21章，按照由浅入深的顺序，详细介绍了Transact-SQL基本概念和主要应用。本书示例清晰，说理透彻，实是不可多得之佳选。 本书可供各个层次的读者使用。 -This book a comprehensive introduction to Transact-SQL, progressive approach to the order in accordance with a detailed descr iption of the Transact-SQL basic concepts and major applications. Examples in this book is　clear and thorough reasoning indeedly,it is a good selection . This book for readers at all levels to use.