使用某种数据库管理系统，比如Microsoft Access或SQL Server 2000建立一个名字为shop的数据库。编写程序，在goods表中随机查询10条记录，并计算出这10条记录price字段值的平均值，即计算平均价格。-Using a database management system, such as Microsoft Access or SQL Server 2000 to create a name for the shop database. Programming, the table in the goods random queries 10 records, and calculate the price this 10 record field values ​ ​ on average, that the average price calculation.