数据仓库分层ods dm 的相关内容

[帮助文档] 通过冷热分层将热表转为冷表

云原生数据仓库AnalyticDB PostgreSQL版支持冷热分层存储，可以将访问频次低的热表转换为冷表存储到OSS中，以降低存储成本。本文介绍数据存储冷热分层的使用限制和使用方法。

[数据仓库]分层概念,ODS,DM,DWD,DWS,DIM的概念

一. 各种名词解释1.1 ODS是什么？ODS层最好理解，基本上就是数据从源表拉过来，进行etl，比如mysql 映射到hive，那么到了hive里面就是ods层。ODS 全称是 Operational Data Store，操作数据存储.“面向主题的”，数据运营层，也叫ODS层，是最接近数据源中数...

云原生数据仓库AnalyticDB PostgreSQL 产品入门

1 课时 |

649 人已学 |

加入学习

高校精品课-北京理工大学-数据仓库与数据挖掘（下）

18 课时 |

1145 人已学 |

加入学习

数据仓库ACP认证课程

11 课时 |

816 人已学 |

加入学习

[帮助文档] 数据仓库的分层和各层级用途

在阿里巴巴的数据体系中，我们建议将数据仓库分为三层，自下而上为：数据引入层（ODS，Operation Data Store）、数据公共层（CDM，Common Data Model）和数据应用层（ADS，Application Data Service）。

数据仓库中的分层思想你在实际是如何使用的:比如ODS层、DW层、DM层你们那边是如何实现

共有4条

< 1 >

跳转至： GO

更新时间 2023-04-07 13:46:54

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"阿里云数据库专家保驾护航，为用户的数据库应用系统进行性能和风险评估，参与配合进行数据压测演练，提供数据库优化方面专业建议，在业务高峰期与用户共同保障数据库系统平稳运行。","link1":"https://www.aliyun.com/service/optimization/database","link":"https://www.aliyun.com/service/chiefexpert/database","icon":"https://img.alicdn.com/tfs/TB1a5ZfonnI8KJjy0FfXXcdoVXa-100-100.png","btn2":"数据库紧急救援服务","tip":"还有更多专家帮助您解决云上业务问题：<a href=\"https://www.aliyun.com/service/list#f4\" target=\"_blank\">立即查看</a>","btn1":"云上数据库优化服务","link2":"https://www.aliyun.com/service/databaserescue","title":"数据库专家服务"}],"search":[{"txt":"安全首席专家","link":"https://www.aliyun.com/service/chiefexpert/security"},{"txt":"中间件首席专家","link":"https://www.aliyun.com/service/chiefexpert/middleware"},{"txt":"系统与平台首席专家","link":"https://www.aliyun.com/service/chiefexpert/platform"},{"txt":"存储首席专家","link":"https://www.aliyun.com/service/chiefexpert/storage"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"HybridDB","contentLink":"https://www.aliyun.com/product/ads","title":"云原生数据仓库AnalyticDB MySQL版","des":"云原生数据仓库 AnalyticDB MySQL版是一种支持高并发低延时查询的新一代云原生数据仓库，全面兼容MySQL协议以及SQL：2003 语法标准，可以对海量数据进行即时的多维分析透视和业务探索，快速构建企业云上数据仓库。","btn1":"了解详情","link1":"https://www.aliyun.com/product/ads","btn2":"管理控制台","link2":"https://ads.console.aliyun.com/adb/cn-hangzhou/summary","btn3":"在线咨询","link3":"https://www.aliyun.com/core/online-consult?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"数据库上云优选推荐","firstContentLink":"https://www.aliyun.com/database/bestoffer","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"产品介绍","firstContentLink":"https://help.aliyun.com/document_detail/93776.html","lastContentName":"产品优势","lastContentLink":"https://help.aliyun.com/document_detail/93818.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"OLTP+OLAP架构","firstContentLink":"https://www.aliyun.com/solution/database/htap","lastContentName":"数据库客户案例合集","lastContentLink":"https://www.aliyun.com/database/case"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"云数据库 ClickHouse","lastContentName":"云数据仓库 ADB PG","firstContentLink":"https://www.aliyun.com/product/clickhouse","lastContentLink":"https://www.aliyun.com/product/gpdb"}}],"ifIcon":"icon"}],"visual":{"textColor":"dark","topbg":""}}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"阿里云数据库专家保驾护航，为用户的数据库应用系统进行性能和风险评估，参与配合进行数据压测演练，提供数据库优化方面专业建议，在业务高峰期与用户共同保障数据库系统平稳运行。","link1":"https://www.aliyun.com/service/optimization/database","link":"https://www.aliyun.com/service/chiefexpert/database","icon":"https://img.alicdn.com/tfs/TB1a5ZfonnI8KJjy0FfXXcdoVXa-100-100.png","btn2":"数据库紧急救援服务","tip":"还有更多专家帮助您解决云上业务问题：<a href=\"https://www.aliyun.com/service/list#f4\" target=\"_blank\">立即查看</a>","btn1":"云上数据库优化服务","link2":"https://www.aliyun.com/service/databaserescue","title":"数据库专家服务"}],"search":[{"txt":"安全首席专家","link":"https://www.aliyun.com/service/chiefexpert/security"},{"txt":"中间件首席专家","link":"https://www.aliyun.com/service/chiefexpert/middleware"},{"txt":"系统与平台首席专家","link":"https://www.aliyun.com/service/chiefexpert/platform"},{"txt":"存储首席专家","link":"https://www.aliyun.com/service/chiefexpert/storage"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"HybridDB","contentLink":"https://www.aliyun.com/product/ads","title":"云原生数据仓库AnalyticDB MySQL版","des":"云原生数据仓库 AnalyticDB MySQL版是一种支持高并发低延时查询的新一代云原生数据仓库，全面兼容MySQL协议以及SQL：2003 语法标准，可以对海量数据进行即时的多维分析透视和业务探索，快速构建企业云上数据仓库。","btn1":"了解详情","link1":"https://www.aliyun.com/product/ads","btn2":"管理控制台","link2":"https://ads.console.aliyun.com/adb/cn-hangzhou/summary","btn3":"在线咨询","link3":"https://www.aliyun.com/core/online-consult?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"数据库上云优选推荐","firstContentLink":"https://www.aliyun.com/database/bestoffer","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"产品介绍","firstContentLink":"https://help.aliyun.com/document_detail/93776.html","lastContentName":"产品优势","lastContentLink":"https://help.aliyun.com/document_detail/93818.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"OLTP+OLAP架构","firstContentLink":"https://www.aliyun.com/solution/database/htap","lastContentName":"数据库客户案例合集","lastContentLink":"https://www.aliyun.com/database/case"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"云数据库 ClickHouse","lastContentName":"云数据仓库 ADB PG","firstContentLink":"https://www.aliyun.com/product/clickhouse","lastContentLink":"https://www.aliyun.com/product/gpdb"}}],"ifIcon":"icon"}],"visual":{"textColor":"dark","topbg":""}}}

云原生数据仓库AnalyticDB MySQL版

云原生数据仓库 AnalyticDB MySQL版是一种支持高并发低延时查询的新一代云原生数据仓库，全面兼容MySQL协议以及SQL：2003 语法标准，可以对海量数据进行即时的多维分析透视和业务探索，快速构建企业云上数据仓库。

了解详情

管理控制台

在线咨询