MaxCompute主键

我试了下，建了个带主键的表，如下：然后插入了条数据，然后又插入了相同id的数据，结果是有2条id相同的数据：请问下，maxcompute是不支持主键覆盖吗？那如何实现数据修改？

maxcompute里不能弄主键，可以做索引吗，有张表，数据目前三亿多，程序运行时可能四...

maxcompute里不能弄主键，可以做索引吗，有张表，数据目前三亿多，程序运行时可能四分钟，但是那个数据切分接近要占三分之二的时间

您可能感兴趣

.MaxCompute是什么 .MaxCompute什么 .MaxCompute用户指南 .MaxCompute作用 .MaxCompute计算 .MaxCompute使用 .MaxCompute大数据 .MaxCompute开发

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":13,"count":13}]},"card":[{"des":"MaxCompute 是面向分析的企业级 SaaS 模式云数据仓库，以 Serverless 架构提供快速、全托管的在线数据仓库服务，消除了传统数据平台在资源扩展性和弹性方面的限制，最小化用户运维投入，使您可以经济并高效的分析处理海量数据。","link1":"https://www.aliyun.com/product/odps?spm=a21gt.99266.488921.3.u8h7y3","link":"https://www.aliyun.com/product/odps?spm=a2c0j.8205274.416540.126.rSdV45","icon":"https://img.alicdn.com/tfs/TB1O84aD1L2gK0jSZFmXXc7iXXa-201-200.png","btn2":"最佳实践与客户案例","tip":"<a href=\"https://common-buy.aliyun.com/?spm=5176.7944453.751670.btn7.5b8e2260dcsbQx&commodityCode=odpsplus#/buy\">【年购85折】深圳、北京、杭州节点限时优惠，助你开启大数据之旅</a>          最新产品和实时动态重磅发布 ，<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"了解 MaxCompute","link2":"https://www.aliyun.com/page-source//data-intelligence/activity/maxcompute/bpcase","title":"云原生大数据计算服务 MaxCompute"}],"search":[{"txt":"行业与通用解决方案","link":"https://www.aliyun.com/page-source//data-intelligence/activity/maxcompute/bpcase/solution"},{"txt":"试用开发者版","link":"https://common-buy.aliyun.com/?commodityCode=odps&spm=5176.14274250.commonbuy2container.odpsplus_ZjqTabLinks_1.720a778bEdzQhc#/buy"},{"txt":"帮助文档","link":"https://help.aliyun.com/product/27797.html"},{"txt":"快速开始","link":"https://help.aliyun.com/document_detail/185242.html"},{"txt":"推荐引擎","link":"https://data.aliyun.com/product/re?spm=a21gt.99266.416540.110.QbJz1e"},{"txt":"数据市场","link":"https://market.aliyun.com/store/1334330-0.html?spm=a2c0j.8206411.416540.114.OHnPWC"},{"txt":"ETL","link":"https://www.aliyun.com/product/odps?spm=a2c0j.8206411.416540.126.OHnPWC"},{"txt":"机器学习","link":"https://data.aliyun.com/product/learn?spm=5176.7944453.416540.119.X7O7xy"},{"txt":"广告营销","link":"https://data.aliyun.com/product/openad?spm=a2c0j.103967.388261.113.ad7cvg"},{"txt":"技术解读","link":"https://yq.aliyun.com/articles/635297"},{"txt":"大数据产品家族","link":"https://yq.aliyun.com/live/508"},{"txt":"Mars","link":"https://yq.aliyun.com/live/800"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","icon":"odps","link":"https://www.aliyun.com/product/odps?spm=a2c0j.8205274.416540.126.rSdV45","title":"云原生大数据计算服务 MaxCompute","des":"MaxCompute 是面向分析的企业级 SaaS 模式云数据仓库，以 Serverless 架构提供快速、全托管的在线数据仓库服务，消除了传统数据平台在资源扩展性和弹性方面的限制，最小化用户运维投入，使您可以经济并高效的分析处理海量数据。","btn1":"了解 MaxCompute","link1":"https://www.aliyun.com/product/odps?spm=a21gt.99266.488921.3.u8h7y3","btn3":"购买包年包月","link3":"https://common-buy.aliyun.com/?spm=5176.7944453.J_5834642020.4.74a67293su6bUT&commodityCode=odpsplus&request=%7B%22region%22%3A%22cn-beijing%22%2C%22odps_specification_type%22%3A%22OdpsDev%22%7D#/buy7B%22region%22%3A%22cn-beijing%22%2C%22odps_specification_type%22%3A%22OdpsDev%22%7D#/buy","btn2":"控制台","link2":"https://maxcompute.console.aliyun.com/","infoGroup":[{"infoName":"产品文档","infoContent":{"firstContentName":"快速开始","firstContentLink":"https://help.aliyun.com/document_detail/185242.html","lastContentName":"帮助文档","lastContentLink":"https://help.aliyun.com/product/27797.html"}},{"infoName":"客户案例","infoContent":{"firstContentName":"行业与通用解决方案","firstContentLink":"https://www.aliyun.com/page-source//data-intelligence/activity/maxcompute/bpcase/solution","lastContentName":"最佳实践与客户案例","lastContentLink":"https://www.aliyun.com/page-source//data-intelligence/activity/maxcompute/bpcase"}},{"infoName":"产品定价","infoContent":{"firstContentName":"开通按量付费","firstContentLink":"https://dw-common-buy.data.aliyun.com/plan?spm=5176.7944453.J_5834642020.3.74a67293D4w05w&scenario=mc5®ionId=cn-shanghai","lastContentName":"产品定价","lastContentLink":"https://help.aliyun.com/document_detail/53056.html"}},{"infoName":"社区圈子","infoContent":{"firstContentName":"MaxCompute 社区","firstContentLink":"https://developer.aliyun.com/group/maxcompute","lastContentName":"更多阿里云大数据产品","lastContentLink":"https://www.aliyun.com/product/bigdata/apsarabigdata"}}],"contentLink":"https://www.aliyun.com/product/odps"}]}

云原生大数据计算服务 MaxCompute

MaxCompute 是面向分析的企业级 SaaS 模式云数据仓库，以 Serverless 架构提供快速、全托管的在线数据仓库服务，消除了传统数据平台在资源扩展性和弹性方面的限制，最小化用户运维投入，使您可以经济并高效的分析处理海量数据。

产品文档

客户案例

产品定价