一个简单的数据库代码，启动数据库服务软件SQL Server 2005，用SELECT语句对表进行简单查询操作，整个查询过程只涉及到一个表，是最基本的查询语句。-A simple　code, start the　server software SQL Server 2005, with a simple SELECT statement on a table query operation, the whole query process only involves a table, is the most basic query.