MySQL视图
MySQL视图
数据库视图被称为“虚拟表”,允许您查询其中的数据。了解数据库视图并正确使用它们是非常重要的。 在本节中,我们将讨论数据库视图,如何在MySQL中实现它们以及如何更有效地使用它们。
1.数据库视图简介
在本教程中,您将了解什么是数据库视图及其作用。 我们将讨论使用数据库视图的优缺点。
请参考阅读:http://www.yiibai.com/mysql/introduction-sql-views.html
2.MySQL中的视图
在本教程中,您将了解MySQL中的视图,并演示如何使用和实现MySQL视图。
请参考阅读:http://www.yiibai.com/mysql/views-in-mysql.html
3.在MySQL中创建视图
本教程将介绍如何使用CREATE VIEW
语句在MySQL中创建视图。
请参考阅读:http://www.yiibai.com/mysql/create-sql-views-mysql.html
4.创建MySQL可更新视图
MySQL视图不仅可查询,而且可更新。 在本教程中,您将学习如何创建可更新视图,并使用INSERT,UPDATE,DELETE语句来更新数据。
请参考阅读:http://www.yiibai.com/mysql/create-sql-updatable-views.html
5.使用检查选项确保视图一致性子句
在本教程中,您将学习如何使用WITH CHECK OPTION
子句确保视图的一致性。
请参考阅读:http://www.yiibai.com/mysql/view-with-check-option.html
6.了解LOCAL和CASCADED在检查选项子句
本教程通过示例和明确的说明帮助您了解WITH CHECK OPTION
子句中LOCAL
和CASCADED
之间的差异。
请参考阅读:http://www.yiibai.com/mysql/view-local-cascaded-in-with-check-option.html
7.管理MySQL中的视图
本教程将向您展示如何管理MySQL中的视图,包括显示,修改和删除视图。
请参考阅读: http://www.yiibai.com/mysql/managing-sql-views.html
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