利用元数据管理数据质量-阿里云大学

{"moduleinfo":{"logolink":"//edu.aliyun.com","usercenter_count":[{"count_phone":1,"count":1}],"gao_count":[{"count_phone":7,"count":7}],"logo":"https://img.alicdn.com/tfs/TB1KHnlRVXXXXaeXXXXXXXXXXXX-320-108.png","links_count":[{"count_phone":0,"count":0}],"nav_count":[{"count_phone":8,"count":8}]},"nav":[{"link":"https://edu.aliyun.com/academy/VirtualAcademy","text":"云学院","iscurrent":"false","target":"_self"},{"link":"//edu.aliyun.com/developer","text":"开发者课堂","iscurrent":"false","target":"_self","level2":[]},{"link":"//edu.aliyun.com/certification","text":"考试认证","iscurrent":"false","target":"_self","level2":[{"tce_rule_count":"1","link":"https://edu.aliyun.com/clouder/Certificate/search","text":"证书查询","target":"_self"}]},{"link":"//edu.aliyun.com/lab","text":"开放实验室","iscurrent":"false","target":"_self","level2":[{"tce_rule_count":"1","link":"//edu.aliyun.com/lab/courses","text":"实验列表","target":"_self"},{"tce_rule_count":"1","link":"//edu.aliyun.com/lab/help","text":"帮助文档","level3":[],"target":"_self"}]},{"link":"https://edu.aliyun.com/workshop","text":"在线工作坊","iscurrent":"false","target":"_self"},{"link":"//edu.aliyun.com/recruit","text":"人才市场","iscurrent":"false","target":"_self","level2":[{"tce_rule_count":"1","link":"https://www.aliyun.com/careers?acjoinus=AC003","text":"加入阿里云","target":"_blank"}]},{"link":"https://edu.aliyun.com/green/index","text":"公益课堂","iscurrent":"false","target":"_self","level2":[]},{"text":"更多","iscurrent":"false","target":"_self","level2":[{"link":"https://edu.aliyun.com/campus/index","text":"高校合作","target":"_self"},{"link":"https://edu.aliyun.com/trainer/index","text":"师资力量","target":"_self"},{"link":"https://edu.aliyun.com/campus/books","text":"教材","target":"_blank"},{"link":"https://edu.aliyun.com/article","text":"资讯","target":"_self"},{"link":"https://www.aliyun.com/support/courses","text":"客户培训","target":"_blank"},{"link":"https://greencode1.aliyun.com/","text":"码上公益","target":"_blank"},{"link":"https://yq.aliyun.com/","text":"社区","target":"_blank"}]}],"gao":[{"catalog":"/academy","index":"0"},{"catalog":"/developer","index":"1"},{"catalog":"/certification","index":"2"},{"catalog":"/lab","index":"3"},{"catalog":"/workshop","index":"4"},{"catalog":"/recruit","index":"5"},{"catalog":"/green","index":"6"}],"links":[],"usercenter":[{"tittxt":"我的大学","titlink":"//edu.aliyun.com/my/courses/learning","list":[{"tce_rule_count":"1","link":"//edu.aliyun.com/my/courses/learning","text":"我的课程"},{"tce_rule_count":"1","link":"https://edu.aliyun.com/clouder/my/clouderpackage","text":"我的认证"},{"tce_rule_count":"1","link":"https://edu.aliyun.com/my/lab","text":"我的实验"},{"tce_rule_count":"1","link":"https://edu.aliyun.com/my/profession","text":"我的专业"},{"tce_rule_count":"1","link":"https://edu.aliyun.com/my/workshop","text":"我的工作坊"}]}],"countinfo":{"nav":{"length_pc":0,"length":0},"gao":{"length_pc":0,"length":0},"links":{},"usercenter":{"length_pc":0,"length":0}},"$tmsId":"tce/871927"}

我的大学

{"moduleinfo":{"btnRightLink":"https://edu.aliyun.com/clouder/exam/intro/52","btnLeftLink":"https://market.aliyun.com/products/57252001/cmgj022663.html","priceNum":"68","btnLeft":"购买认证","promptDetail":"提示：购买认证（或 <a href='https://edu.aliyun.com/clouder/my/activateLicense' target='_bank'>使用授权码兑换</a>）后才可参与考试，只支持中国大陆居民参加认证考试，每次购买可有2次考试机会。认证包可反复购买，但同账号只能领取一次证书，暂不支持退款。","navSubText":"共建云计算生态","btnRight":"立即考试","arr_count":[{"count_phone":4,"count":4}],"bannerTiOne":"<a href=\"http://edu.aliyun.com/certification\"><  考试认证</a>","navList_count":[{"count_phone":0,"count":0}],"bannerBg":"https://img.alicdn.com/tfs/TB1OHHrRXXXXXXBXFXXXXXXXXXX-2880-600.png","bannerDetail":"通过本认证学习，学员可掌握数据仓库元数据的应用及核查方法，通过记录核查表，利用元数据，分析数据产生问题的原因，制定解决方案，提升数据质量。","bannerTiTwo":"Apsara Clouder大数据专项技能认证：利用元数据管理数据质量","priceText":"认证包价格","navTitle":"阿里云大学"},"navList":[],"arr":[{"listTitle":"官方认证","panelImg":"https://img.alicdn.com/tfs/TB1UH_wRXXXXXbrXpXXXXXXXXXX-130-130.png","listDetail":"可在后台领取电子证书，作为您的专业凭证"},{"listTitle":"动手实验","panelImg":"https://img.alicdn.com/tfs/TB17yIqRXXXXXaEXpXXXXXXXXXX-130-130.png","listDetail":"可获得认证相关实验课学习需要消耗的“沙箱点”"},{"listTitle":"视频课程","panelImg":"https://img.alicdn.com/tfs/TB1iLTNRXXXXXbDapXXXXXXXXXX-130-130.png","listDetail":"可在页面下方的课程学习区域学习相关视频课程"},{"listTitle":"2次考试机会","panelImg":"https://img.alicdn.com/tfs/TB1SIDLRXXXXXa7aFXXXXXXXXXX-130-130.png","listDetail":"购买后有2次考试机会，考试60分以上记为通过"}],"countinfo":{"arr":{"length_pc":0,"length":0},"navList":{}},"$tmsId":"tce/1231728"}

阿里云大学

共建云计算生态

用户中心>

认证包价格

￥68

购买认证立即考试

提示：购买认证（或使用授权码兑换）后才可参与考试，只支持中国大陆居民参加认证考试，每次购买可有2次考试机会。认证包可反复购买，但同账号只能领取一次证书，暂不支持退款。

官方认证

可在后台领取电子证书，作为您的专业凭证
动手实验

可获得认证相关实验课学习需要消耗的“沙箱点”
视频课程

可在页面下方的课程学习区域学习相关视频课程
2次考试机会

购买后有2次考试机会，考试60分以上记为通过

认证流程

1 购买认证 2 学习课程/在线实验 3 在线考试 4 领取电子证书

{"moduleinfo":{"list_count":[{"count_phone":6,"count":6}],"title":"课程学习","promptText":"购买认证包后，才可学习全部课程，其中每个在线实验有两次参与机会，学习会消耗实验次数，请您注意控制时间及使用次数。"},"list":[{"btnLink":"https://edu.aliyun.com/course/543","btnText":"免费试听","or":"true","subTitle":"介绍什么是元数据，元数据的分类，元数据的功能、作用。","curriculumTitle":"元数据定义及功能"},{"btnLink":"https://edu.aliyun.com/course/543","btnText":"免费试听","or":"true","subTitle":"介绍如何搭建数据仓库元数据系统。","curriculumTitle":"元数据管理设计方法及案例"},{"btnLink":"https://edu.aliyun.com/course/543","btnText":"开始学习","or":"true","subTitle":"介绍本课程中用到的阿里云产品大数据计算服务和大数据开发套件。","curriculumTitle":"阿里云相关产品介绍"},{"btnLink":"https://edu.aliyun.com/course/543","btnText":"开始学习","or":"true","subTitle":"演示本课程中用到的阿里云产品大数据计算服务和大数据开发套件。","curriculumTitle":"阿里云相关产品基本操作演示"},{"btnLink":"https://edu.aliyun.com/course/543","btnText":"开始学习","or":"true","subTitle":"介绍项目背景、项目实施流程以及其中的关键步骤和技术。","curriculumTitle":"某数据分析系统利用元数据管理数据质量"},{"btnLink":"http://edu.aliyun.com/lab/courses/9e789c9b271b48ae972e488cbf3551fd/detail","btnText":"进入实验","or":"false","subTitle":"使用DataIDE中的元数据相关功能，分析数据质量，寻找数据产生差异的原因并进行修正，最终生成正确的汇总数据。","curriculumTitle":"【实验手册】利用元数据管理数据质量"}],"countinfo":{"list":{"length_pc":0,"length":0}},"$tmsId":"tce/1231730"}

课程学习

购买认证包后，才可学习全部课程，其中每个在线实验有两次参与机会，学习会消耗实验次数，请您注意控制时间及使用次数。

01

元数据定义及功能

介绍什么是元数据，元数据的分类，元数据的功能、作用。

免费试听

02

元数据管理设计方法及案例

介绍如何搭建数据仓库元数据系统。

免费试听

03

阿里云相关产品介绍

介绍本课程中用到的阿里云产品大数据计算服务和大数据开发套件。

开始学习

04

阿里云相关产品基本操作演示

演示本课程中用到的阿里云产品大数据计算服务和大数据开发套件。

开始学习

05

某数据分析系统利用元数据管理数据质量

介绍项目背景、项目实施流程以及其中的关键步骤和技术。

开始学习

06

【实验手册】利用元数据管理数据质量

使用DataIDE中的元数据相关功能，分析数据质量，寻找数据产生差异的原因并进行修正，最终生成正确的汇总数据。

进入实验