pl SQL dml触发器的相关内容

阿里云文档 2023-12-14

PolarDBPostgreSQL版PL/SQL的基本语句_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

本文介绍了基本语句的相关内容。

阿里云文档 2023-12-14

PolarDBPostgreSQL版PL/SQL的声明信息_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

本文介绍了PL/SQL的声明信息。

阿里云文档 2023-03-21

如何创建PolarDBO引擎的PL/SQL子类型

PolarDB PostgreSQL版（兼容Oracle）支持用户定义的PL/SQL子类型和（子类型）别名。子类型是具有一组可选约束的数据类型，这些约束限制可以存储在该类型的列中的值。适用于该子类型所基于的类型的规则仍然适用，但您可以使用其他约束限制该类型中存储值的精度或小数位数。

阿里云文档 2022-03-04

使用DBMS_AQ包中的存储过程添加/删除消息以及注册或注销PL/SQL回调存储过程

您可以使用DBMS_AQ包中的存储过程添加消息到队列、从队列中删除消息、注册或注销PL/SQL回调存储过程。

文章 2022-02-16 来自：开发者社区

PL/SQL --> DML 触发器

--======================= -- PL/SQL --> DML 触发器 --======================= 何谓触发器？简言之，是一段命名的PL/SQL代码块，只不过该代码块在特定的条件下被触发并且执行。对于这样的代码我们称之为触发器。触发器根据触发类型的不同又分为不同级别的...

文章 2022-02-16 来自：开发者社区

PL/SQL12.2 ——DML 触发器

http://blog.csdn.net/robinson_0612/article/details/6098263 INSTEAD OF 触发器常用于管理编写不可更新的视图，INSTEAD-OF触发器必须是行级的。可以用INSTEAD OF触发器来解释INSERT、UPDATE和DELETE语句，并用备用的程序代码替换那些指...

文章 2022-02-16 来自：开发者社区

PL/SQL12.1 ——DML 触发器

http://blog.csdn.net/robinson_0612/article/details/6098258 何谓触发器？简言之，是一段命名的PL/SQL代码块，只不过该代码块在特定的条件下被触发并且执行。对于这样的代码我们称之为触发器。触发器根据触发类型的不同又分为不同级别的触发器，下面将给出触发器的分类，定义，以及使用的示例。一、触发器的相关概...

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