oceanbase数据库的相关内容

问答 2025-07-31 来自：开发者社区

关于Oceanbase数据库建表失败，提示资源不足问题

ocp435，ob323，obp32，上述1-1-1+ocp的环境下，突然出现创建表的时候报错，提示：machine resouce is not enough to hold a new unit。看了下，虽然cpu分配100%，内存分配90%，但是实际利用率很低，硬盘也是利用率很低，不明白到底是什么资源导致无法建表。社区有类似问题，给出的gv表在库里不存在。能否给提供下新版本下，如何排查这类....

文章 2025-05-24 来自：开发者社区

【赵渝强老师】OceanBase数据库从零开始：MySQL模式

这里我们来介绍一下新上线的课程《OceanBase数据库从零开始：MySQL模式》，本门课程共11章。视频讲解如下：下面详细介绍一下每一章的主要内容：第0...

阿里云文档 2025-03-28

DMS调整对OceanBase MySQL的计费逻辑

为帮助您更好地在数据管理DMS中管控云数据库OceanBase版、自建OceanBase MySQL数据库、确保该数据库的计费与管控粒度（数据库管理、数据操作的权限控制和管理的精细程度）对应，DMS将调整OceanBase MySQL在DMS的计费逻辑。计费逻辑将由按照集群维度计费调整为按照租户维度计费，于2025年04月01日正式生效。

阿里云文档 2025-03-03

支持的预设的系统权限策略列表

本文描述云数据库 OceanBase 版支持的所有系统权限策略及其对应的权限描述，供您授权 RAM 身份时参考。

文章 2025-01-16 来自：开发者社区

obdiag：一款OceanBase 数据库诊断的利器

obdiag：一款OceanBase 数据库诊断的利器内容介绍 1. OceanBase 概述 2. Obdiag 项目价值 3. Obdiag 设计与实现 4. Obdiag 未来规划这个是一款 OceanB...

问答 2024-11-24 来自：开发者社区

OceanBase数据库如何反向生成PDM文件

1、有没有工具支持OceanBase数据库反向生成PDM文件2、OceanBase数据库自身是否有工具能将表结构输出word文档

问答 2024-11-07 来自：开发者社区

OceanBase数据库Oracle模式租户创建后可以改字符集吗？

问答 2024-10-17 来自：开发者社区

OceanBase 数据库采用无共享，数据（这里假设指一张表）在各个节点中的存储情况？

1、OceanBase 数据库采用无共享，那么一张表是怎么储存？是每个OBServer都会有一份完整表数据？2、如果第1问题的答案为是，那么是不是可以理解OceanBase 数据库是各个节点都是包含整个数据的量（先不考虑日志还没相互更新完毕的情况，这里假设所有日志已经同步完了）？这样每个节点的不是数据压力都很大，而且一样的？是我们平常理解的分布式系统吗？

阿里云文档 2024-10-12

印

本文介绍 OceanBase 数据库在开启和未开启 TDE 加密场景下的数据库性能的影响，帮助您评估是否选择开启 TDE 加密。

文章 2024-10-08 来自：开发者社区

OceanBase CTO杨传辉谈AI时代下数据库技术的创新演进路径！

在「DATA+AI」见解论坛上，OceanBase CTO杨传辉先生带来了关于AI与数据库技术相融合的精彩分享。他探讨了AI如何与数据库技术结合，以及这种融合如何推动OceanBase一体化数据库的演进。杨传辉先生将AI问题分为两大类：一是构建更大、更智能的模型，二是将AI和大模型真正应用于各行各业。他强调，数...

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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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