这篇文章主要介绍了SQL 如何如何创建、更新和删除视图,文中讲解非常详细,示例代码帮助大家更好的理解和学习,感兴趣的朋友可以了解下 视图是可视化的表。 本章讲解如何创建、更新和删除视图。 SQL CREATE VIEW 语句 在 SQL 中,视图是基于 SQL 语句的结果集的 ...
Although tables in SQL databases typically contain massive amounts of data, they’re not always in a format that can be used by data analysts. The data records in these tables need to be filtered ...
See performance gains by using indexed views in SQL Server Your email has been sent A view is a saved T-SQL query in SQL Server. The view definition is stored by SQL Server so that it can be used as a ...
A typical screen in your user interface probably combines data from several different tables. To handle that, I typically have my back-end processes generate Data Transfer Objects (DTOs) which combine ...