数据库view视图的相关内容

阿里云文档 2025-04-30

什么是系统视图pg_available_extensions_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

pg_available_extensions视图列出了可用于安装的扩展。

阿里云文档 2023-09-03

使用GlobalHints指定要应用于视图中表的hint_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

到目前为止，hint已直接应用于 SQL 命令中引用的表。在 SQL 命令中引用视图时，也可以对视图中显示的表应用hint。hint本身不会在视图中显示，而是在引用视图的 SQL 命令中显示。

阿里云文档 2023-09-03

使用ALTERVIEW更改视图的多种属性_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

ALTER VIEW更改一个视图的多种辅助属性。

问答 2022-02-15 来自：开发者社区

关系型数据库中View视图，有什么作用？

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更新时间 2024-06-01 01:16:05

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