postgresql数据库类型的相关内容

阿里云文档 2025-07-22

如何使用PolarDB Supabase快速搭建Web应用

PolarDB Supabase是推出全托管的Supabase服务，以为核心，整合了Realtime实时数据库、RESTful API、GoTrue身份认证、文件存储、日志采集等关键功能，并在此基础上进行了优化与增强，为您省去Supabase复杂的参数管理和应用运维等操作，并提供了兼具灵活性与高性能的后端解决方案。您可以基于PolarDB Supabase快速搭建Web、SaaS平台、AI集成应用...

阿里云文档 2025-07-15

Serverless弹性能力

PolarDB Serverless是基于SIGMOD 2021论文中所提出的成熟技术最终产品化结果。本文将使用Sysbench工具对PolarDB Serverless的弹性能力进行测试。您可以按照本文所述的方法自行进行测试，从而快速了解Serverless的弹性能力。

阿里云文档 2025-06-27

PolarDB备份原理

PolarDB集群的数据备份是指在某个时间点上对集群的全量数据进行备份，生成一个备份集（快照）。该备份过程采用ROW（Redirect-on-Write）快照机制，直接存储在PolarDB集群的分布式存储系统上。在保存备份时，数据并未被真正复制。而当数据块发生修改时，系统会将历史版本的数据块保留给快照，同时生成一个新的数据块被原数据引用（Redirect）。本文将详细介绍创建备份、删除备份以及在数...

阿里云文档 2025-06-27

PolarDB备份原理

阿里云文档 2025-06-20

将PostgreSQL的数据同步至AnalyticDB PostgreSQL

本文介绍如何使用数据传输服务DTS（Data Transmission Service），将RDS PostgreSQL实例的数据同步至云原生数据仓库AnalyticDB PostgreSQL版实例中。

文章 2024-04-29 来自：开发者社区

DataWorks产品使用合集之在使用 DataWorks 数据集成同步 PostgreSQL 数据库中的 Geometry 类型数据如何解决

问题一：DataWorks format格式应该用什么? DataWorks中2023-02-10T19:04:25+00:0 这种日期格式想使用MaxCompute的to_date(0 函数 , format格式应该用什么? 参考回答：辛苦参考文档看下 https://help.aliyun.com/zh/maxcompute/user-guid...

问答 2023-05-14 来自：开发者社区

各位大佬，cdc 解析postgresql数据库的numeric类型解析成这样的了，应该怎么处理？!

各位大佬，cdc 解析postgresql数据库的numeric类型解析成这样的了，应该怎么处理？

文章 2018-01-13 来自：开发者社区

对PostgreSQL数据库的hstore类型建立GisT索引的实验

磨砺技术珠矶，践行数据之道，追求卓越价值回到上一级页面：PostgreSQL基础知识与基本操作索引页回到顶级页面：PostgreSQL索引页[作者高健@博客园 luckyjackgao@gmail.com] 由于数据少，执行计划中没有使用Index Scan postgres=# CREATE TABLE items ( postgres(#...

问答 2016-03-13 来自：开发者社区

在java中怎么处理才能将数据存入postgresql数据库中类型为hstore的字段？

/** * 增加批量导入映射. * * @param * @return */ @Action(value = "addImportMapper", results = { @Result(name = "addImportMapper", type = "json", params = { "root", "jsonResult" }) }) public St...

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数据库审计

满足等保2.0二级和三级 “安全审计”合规要求的同时，智能解析数据库通信流量，细粒度审计数据库访问行为，通过对数据库全量行为的审计溯源、危险攻击的实时告警、风险语句的智能预警，提供数据库资产最安全的监控保障。

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