云数据库 RDS MySQL 版维度-阿里云

请问一个问题，数据通过flink cdc读mysql写入ods层的hudi表，然后再将事实表和维度表

请问一个问题，数据通过flink cdc读mysql写入ods层的hudi表，然后再将事实表和维度表合并写入dwd层的hudi表。我发现ods层的数据量是对的，dwd层一开始新增数据时，数据量是对的，但维表有变更时，mor表数据量变少了、cow表数据量是对的。请问这个mor表数据量少的问题应该怎么排...

MySQL性能优化的5个维度

面试官如果问你：你会从哪些维度进行MySQL性能优化？你会怎么回答？所谓的性能优化，一般针对的是MySQL查询的优化。既然是优化查询，我们自然要先知道查询操作要经过哪些环节，然后思考可以在哪些环节进行优化。我之前写过一条SQL查询语句是如何执行的？，感兴趣的朋友可以阅读一下，我用其中的一张图展示查询...

云数据库RDS快速入门

12 课时 |

11 人已学 |

加入学习

实时数据接入：5分钟上手 Flink MySQL 连接器

1 课时 |

204 人已学 |

加入学习

RDS MySQL 高效设计及性能调优

1 课时 |

802 人已学 |

加入学习

MySQL进阶篇(01)：基于多个维度，分析服务器性能

MySQL进阶篇(01)：基于多个维度，分析服务器性能一、服务器性能简介1、性能定义服务器性能优化是一项非常艰巨的任务，当然也是很难处理的问题，在写这篇文章的时候，特意请教下运维大佬，硬件工程师，数据库管理，单从自己的实际开发经验来看，看待这个问题的角度起码是不全面的。补刀一句：在公司靠谱少撕逼...

流窗口关联mysql中的维度表大佬们都是怎么做的啊?

流窗口关联mysql中的维度表大佬们都是怎么做的啊? 本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。点击这里欢迎加入感兴趣的技术领域群。

MySQL快速生成时间维度表

MySQL快速生成时间维度表： MySQL里面生成一张时间维度表，用于ETL工具使用。原文地址：http://blog.csdn.net/neweastsun/article/details/43866599 SET @d0 = "2015-01-01"; SET @d1 = "2019-12-3...

mysql 怎么从多种维度删选商品

比如,我要价格在20-30 50-60 70-80 价格区间的商品,关系为or同时标题要包含裙子,上衣,外套关系为or,还要排除标题包含童装,书籍,关系为and,这样的语句应该怎么写呀,Php这三种都变成一个变量来表达的话应该怎么设计Php?我用的是thinkphp 这个能不能用thinkphp 封...

共有6条

< 1 >

跳转至： GO

更新时间 2023-04-06 16:34:14

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://www.aliyun.com/product/rds/mysql","icon":"","contentLink":"https://www.aliyun.com/product/rds/mysql","title":"云数据库RDS MySQL版","des":"MySQL 是全球最受欢迎的开源数据库，阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能，同时灵活的部署架构及产品形态，可满足不同场景下的数据库需求。","btn1":"了解详情","link1":"https://www.aliyun.com/product/rds/mysql","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","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":"MySQL 免费试用","firstContentLink":"https://free.aliyun.com/?searchKey=RDS%20MySQL","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"快速入门","lastContentLink":"https://help.aliyun.com/document_detail/26174.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"SaaS上云数据库","firstContentLink":"https://www.aliyun.com/solution/database/saasdb","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PolarDB","lastContentName":"云原生数据仓库MySQL","firstContentLink":"https://www.aliyun.com/product/polardb","lastContentLink":"https://www.aliyun.com/product/ads"}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i4/O1CN01okTDy31OzS9njXqrV_!!6000000001776-2-tps-48-48.png"}],"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://www.aliyun.com/product/rds/mysql","icon":"","contentLink":"https://www.aliyun.com/product/rds/mysql","title":"云数据库RDS MySQL版","des":"MySQL 是全球最受欢迎的开源数据库，阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能，同时灵活的部署架构及产品形态，可满足不同场景下的数据库需求。","btn1":"了解详情","link1":"https://www.aliyun.com/product/rds/mysql","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","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":"MySQL 免费试用","firstContentLink":"https://free.aliyun.com/?searchKey=RDS%20MySQL","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"快速入门","lastContentLink":"https://help.aliyun.com/document_detail/26174.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"SaaS上云数据库","firstContentLink":"https://www.aliyun.com/solution/database/saasdb","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PolarDB","lastContentName":"云原生数据仓库MySQL","firstContentLink":"https://www.aliyun.com/product/polardb","lastContentLink":"https://www.aliyun.com/product/ads"}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i4/O1CN01okTDy31OzS9njXqrV_!!6000000001776-2-tps-48-48.png"}],"visual":{"textColor":"dark","topbg":""}}}