postgresql SQL兼容性的相关内容

阿里云文档 2025-04-22

什么是慢SQL,如何使用SQL分析功能

PolarDB PostgreSQL版提供慢SQL分析功能，能够查看慢日志趋势和统计信息，并且提供SQL建议和诊断分析。

阿里云文档 2025-04-22

什么是慢SQL,如何使用SQL分析功能

PolarDB PostgreSQL版（兼容Oracle）提供慢SQL分析功能，能够查看慢日志趋势和统计信息，并且提供SQL建议和诊断分析。

阿里云文档 2025-02-17

如何使用SQL模式匹配

云原生数据仓库 AnalyticDB PostgreSQL 版兼容PostgreSQL模式匹配。本文简单列举云原生数据仓库 AnalyticDB PostgreSQL 版兼容的模式匹配及用法示例。

阿里云文档 2024-06-27

DAS企业版恢复部分单元Polar PG实例的付费计量

由于部分单元PolarDB PostgreSQL版实例此前开通数据库自治服务企业版（DAS企业版），计费组件出现未部署情况，导致长期没有计费产生，DAS企业版将于2024年07月05日 08:00恢复此部分开通DAS企业版的付费计量。

问答 2022-11-03 来自：开发者社区

为什么说云原生数据仓库AnalyticDB PostgreSQL 版具有SQL兼容性高的特性？

文章 2019-04-14 来自：开发者社区

PostgreSQL Oracle/sql server/SYBASE 兼容性之 - nchar , nvarchar , ntext (unicode character)

标签 PostgreSQL , Oracle , nchar , nvarchar , ntext , ms sql , sybase , unicode character , utf8 背景在Oracle, MS SQL, SYBASE数据库引擎中，有一些这样的字符串类型nchar , nvarchar , ntext。这些类型是什么含义？在PostgreSQL中应该使用什么类型与之...

文章 2018-06-21 来自：开发者社区

PostgreSQL Oracle PL/SQL 兼容性之 - AGGREGATE USING Clause 聚合函数

标签 PostgreSQL , Oracle , PL/SQL , 聚合函数 , 自定义聚合函数背景 Oracle的自定义聚合函数的定义方法，在创建函数是，使用AGGREGATE USING Clause关键词。 AGGREGATE USING Clause Specify AGGREGATE USING to identify this function as an aggregate ...

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