SQL语句创建可更新的简单视图和包含聚合函数的不可更新视图，SQL语句对所创建的2类视图进行查询，SQL语句对所创建的2类视图进行更新

　　4．利用SQL语句删除视图

　　5．利用企业管理器创建、删除视图，以及对视图进行浏览-SQL statement to create a simple view can be updated and include non-renewable view of aggregate functions, SQL statements created two classes of view, query, SQL statements created two classes of view update 4. The use of SQL statements to delete the view 5. Use Enterprise Manager to create, delete the view, as well as browse the view