摘要
本文介绍了SQL语言的基本知识，SELECT语句的HAVING子句和WHERE子句的用法；以实例形式讨论了WHERE子句和HAVING子句的异同。
Presented the basic knowledge of SQL, usage of clause ＂where＂ and clause ＂having＂ in SELECT; to discuss the form of example of the SQL language in clause ＂where＂ and clause ＂having＂ the similarities and differences, and elaborated on their use.
出处
《教学与科技》
2012年第4期35-38,共4页
Teaching and Science Technology
