学习数据库模型的相关内容

阿里云文档 2025-04-21

如何设计SelectDB库表

良好的表结构设计不仅能支持丰富的功能需求，还能大幅提升数据库系统的性能、可维护性和可扩展性等，因此数据库的表结构设计至关重要。本文为您介绍在云数据库 SelectDB 版中，设计表结构时需要重点关注的表属性，并帮助您快速掌握如何根据业务场景选择合适的表设计，从而更好的满足业务需求。

阿里云文档 2023-09-27

如何配置数据库审计行为模型

智能分析是指数据库审计系统可以学习用户的数据库操作习惯，通过对用户操作所涉及的IP、客户端操作工具等信息进行统计分析，实现对异常行为的告警，可以帮助您发现数据库异常行为。本文介绍了在云盾数据库审计系统中，如何添加行为模型学习任务和查询行为模型学习。

阿里云文档 2023-09-03

以简化版的emp为例学习创建新表_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

通过指定表名称以及所有列名称及其类型来创建新表。

文章 2023-01-11 来自：开发者社区

Flask学习与项目实战5：通过SQLAlchemy连接数据库进行ORM模型的简单增删改查

SQLAlchemy介绍是对于数据库的ORM的框架，直接操作模型，安装命令为pip install SQLAlchemy。SQLAlchemy是一个独立的ORMR框架，可以独立于FLASK存在，也可以在Django中使用。Flask-SQLAlchemy是对SQLAlchemy的一个封装，更适合在flask使用。安装输入命令：pip install flask-sqlalchemy然后再输入命令....

文章 2022-09-15 来自：开发者社区

MySQL学习（三）—— 数据库存储架构（简单模型）

简单模型一个应用对应一个DB模型优点结构简单，便于开发容易部署和维护数据统一存储便于连表查询存在问题要不停的进行处理、存储、查询的工作，服务器负载高，稳定性差数据量大的时候，不好扩展数据没有备份操作，不安全需要一定的措施进行故障恢复

共有5条

< 1 >

跳转至： GO

更新时间 2024-04-05 09:26:07

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。

数据库学习相关内容

数据库更多学习相关

数据库您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1nmXJn7cx_u4jSZFlXXXnUFXa-200-200.png","contentLink":"https://www.aliyun.com/product/dbaudit","title":"数据库审计","des":"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。","link1":"https://yundun.console.aliyun.com/?p=sddp#/audit/analysis/alarm/auditFirst/cn-zhangjiakou","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?commodityCode=sddp_pre&request=%7B%22ord_time%22:%221:Month%22,%22order_num%22:1,%22region%22:%22cn-zhangjiakou%22,%22type%22:%22normal%22,%22sddp_version%22:%22version_dengbao%22,%22audit_subscription_version%22:%220%22,%22logStorage_subscription%22:%221%22,%22logStorage%22:2%7D&regionId=cn-zhangjiakou","btn2":"立即购买","btn3":"产品文档","link3":"https://help.aliyun.com/product/52432.html?spm=5176.139959.J_5253785160.5.42de77d7KNxtZZ","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"包年享85折优惠","firstContentLink":"https://common-buy.aliyun.com/?commodityCode=sddp_pre&request=%7B%22ord_time%22:%221:Month%22,%22order_num%22:1,%22region%22:%22cn-zhangjiakou%22,%22type%22:%22normal%22,%22sddp_version%22:%22version_dengbao%22,%22audit_subscription_version%22:%220%22,%22logStorage_subscription%22:%221%22,%22logStorage%22:2%7D&regionId=cn-zhangjiakou","lastContentLink":"","lastContentName":""}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","lastContentName":"不同版本功能对比","firstContentLink":"https://help.aliyun.com/zh/dsc/data-security-center/user-guide/security-audit/","lastContentLink":"https://help.aliyun.com/zh/dsc/data-security-center/product-overview/difference-between-different-dsc-editions"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"数据库审计","bannerContent":"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。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/dbaudit?spm=5176.21213303.8115314850.1.faf453c9I9EKNe&scm=20140722.S_card@@%E5%8D%A1%E7%89%87@@1796._.ID_card@@%E5%8D%A1%E7%89%87@@1796-RL_%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AE%A1%E8%AE%A1-OR_ser-V_2-P0_0","contentTitle":"满足等保2.0’安全审计‘的合规要求","homePageLink":"https://page.aliyun.com/form/act803688306/index.htm","homePageName":"7天试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"数据库审计","subtitle":"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。","linkUrl":"https://www.aliyun.com/product/dbaudit?spm=5176.21213303.8115314850.1.faf453c9I9EKNe&scm=20140722.S_card@@%E5%8D%A1%E7%89%87@@1796._.ID_card@@%E5%8D%A1%E7%89%87@@1796-RL_%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AE%A1%E8%AE%A1-OR_ser-V_2-P0_0","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1nmXJn7cx_u4jSZFlXXXnUFXa-200-200.png","contentLink":"https://www.aliyun.com/product/dbaudit","title":"数据库审计","des":"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。","link1":"https://yundun.console.aliyun.com/?p=sddp#/audit/analysis/alarm/auditFirst/cn-zhangjiakou","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?commodityCode=sddp_pre&request=%7B%22ord_time%22:%221:Month%22,%22order_num%22:1,%22region%22:%22cn-zhangjiakou%22,%22type%22:%22normal%22,%22sddp_version%22:%22version_dengbao%22,%22audit_subscription_version%22:%220%22,%22logStorage_subscription%22:%221%22,%22logStorage%22:2%7D&regionId=cn-zhangjiakou","btn2":"立即购买","btn3":"产品文档","link3":"https://help.aliyun.com/product/52432.html?spm=5176.139959.J_5253785160.5.42de77d7KNxtZZ","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"包年享85折优惠","firstContentLink":"https://common-buy.aliyun.com/?commodityCode=sddp_pre&request=%7B%22ord_time%22:%221:Month%22,%22order_num%22:1,%22region%22:%22cn-zhangjiakou%22,%22type%22:%22normal%22,%22sddp_version%22:%22version_dengbao%22,%22audit_subscription_version%22:%220%22,%22logStorage_subscription%22:%221%22,%22logStorage%22:2%7D&regionId=cn-zhangjiakou","lastContentLink":"","lastContentName":""}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","lastContentName":"不同版本功能对比","firstContentLink":"https://help.aliyun.com/zh/dsc/data-security-center/user-guide/security-audit/","lastContentLink":"https://help.aliyun.com/zh/dsc/data-security-center/product-overview/difference-between-different-dsc-editions"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"数据库审计","bannerContent":"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。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/dbaudit?spm=5176.21213303.8115314850.1.faf453c9I9EKNe&scm=20140722.S_card@@%E5%8D%A1%E7%89%87@@1796._.ID_card@@%E5%8D%A1%E7%89%87@@1796-RL_%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AE%A1%E8%AE%A1-OR_ser-V_2-P0_0","contentTitle":"满足等保2.0’安全审计‘的合规要求","homePageLink":"https://page.aliyun.com/form/act803688306/index.htm","homePageName":"7天试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"数据库审计","subtitle":"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。","linkUrl":"https://www.aliyun.com/product/dbaudit?spm=5176.21213303.8115314850.1.faf453c9I9EKNe&scm=20140722.S_card@@%E5%8D%A1%E7%89%87@@1796._.ID_card@@%E5%8D%A1%E7%89%87@@1796-RL_%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AE%A1%E8%AE%A1-OR_ser-V_2-P0_0","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}

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。

产品控制台

立即购买

产品文档

精选推荐

包年享85折优惠

用户指南

产品快速入门

不同版本功能对比