大数据数据库类型的相关内容

阿里云文档 2026-01-26

DescribeActiveOperationTaskRegion查询各地域的运维任务类型和数量-云数据库 MongoDB 版-阿里云

查询MongoDB实例的运维任务类型和任务数量。

阿里云文档 2026-01-08

如何选择PolarDB MySQL引擎计算节点的规格类型

PolarDB MySQL版的集群版和多主集群（Limitless）的计算节点规格包含两种规格类型：通用规格和独享规格。本文为您介绍这两种规格类型的区别，帮助您决策如何选择。

阿里云文档 2025-10-21

PSL4和PSL5两种存储类型有什么区别,如何使用

PSL4和PSL5是PolarDB为不同业务场景所提供的存储类型，两者在价格、数据可靠性及性能方面均存在部分差异。本文为您介绍这两种存储类型的区别，帮助您决策如何选择。

阿里云文档 2025-10-20

PolarDB MySQL版边缘集群支持通过控制台或SQL命令管理高权限、普通及全局只读账号的数据库权限，包括授予、修改和重置多种权限类型。

您可以在控制台或使用SQL命令来管理PolarDB MySQL版边缘集群的账号权限。

阿里云文档 2025-03-14

同步或迁移PostgreSQL数据库中vector类型的数据

在AI领域的大语言模型LLM（Large Language Model）应用中，检索增强生成RAG（Retrieval-augmented Generation）技术通过检索外部的辅助知识库，能够显著提升模型输出的准确性和时效性，解决了LLM知识更新慢、容易产生幻觉（回答不准确）的问题。与传统的关键词检索相比，向量检索具备语义层面的相似性检索能力，支持非结构化数据和多模态数据检索。PostgreS...

文章 2022-02-17 来自：开发者社区

大数据时代下的存储技术--- 数据库类型及应用场景

随着互联网的飞速发展，人们的工作生活都通过互联网紧密联接，各种网络数据暴增，这就促使大数据时代到来。大数据（big data），IT行业术语，是指无法在一定时间范围内用常规软件工具进行捕捉、管理和处理的数据集合，是需要新处理模式才能具有更强的决策力、洞察发现力和流程优化能力的海量、高增长率和多样化的信息资产。大数据时代，不但数据规模大、数据传递快，而且数据种类也是多样性的。这就对数据的存储技术提....

问答 2022-02-15 来自：开发者社区

大数据产品和数据库产品的存储计算有几种类型？

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更新时间 2024-07-13 12:35:40

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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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