摘要
为了解决EXISTS在实际使用中的难点,研究了EXISTS的具体应用。同时在SQL Server 2005的环境下,通过实际案例的分析,总结出如何根据实际语义,正确设计出带有EXISTS的SQL查询语句。
To solve difficult point of exists in practical use, specific applications of exists are studied. By actual case study analysis, how to design SQL query statements correctly with exists is summarized according to actual meaning in SQL Server 2005 environment.
出处
《电脑与电信》
2010年第9期46-48,共3页
Computer & Telecommunication
