pl SQL变量数据类型的相关内容

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学习笔记-常量变量及数据类型初步

一：常量和变量开始之前，还是照例做个经典的例子，如下： declare mydate varchar2(16) := 'hellow world'; begin dbms_output.put_line(mydate); end; declare是声明部分我在这个部分声明了varchar2类型的变量，名字叫mydata，内容是hellow world，长度是16个长度。beg...

文章 2022-02-16 来自：开发者社区

PL/SQL学习笔记-变量作用域及数据类型深入

一：变量作用域 DECLARE current_block VARCHAR2(10) := 'Outer'; outer_block VARCHAR2(10) := 'Outer'; BEGIN dbms_output.put_line('[current_block]['||current_block||']'); DECLARE current_block VARCHAR2(10) ...

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