Models Products Solutions Benefits Pricing Marketplace Partners Services About

Docs ICP Filing Console

首页 PolarDB PolarDB for PostgreSQL Spatio-temporal Database Trajectory SQL reference SQL reference Spatial statistics

Spatial statistics

更新时间: 2026-01-16 21:04:59

ST_nearestApproachPoint
ST_nearestApproachDistance
ST_Angle
ST_CurvatureRadius

上一篇: ST_CrossingPoints 下一篇: ST_nearestApproachPoint

阿里云首页云原生数据库 PolarDB 相关技术圈

Why Choose Alibaba Cloud

What is Cloud Computing Global Infrastructure Technology Leadership Stability & Reliability Security & Compliance Analyst Reports

Models

Qwen Series Model Services AI Application Development

Products & Pricing

All Products Free Trials Product Updates Pricing Pricing Calculator Cost Management

Technical Resources

Solutions Documentation Community Tianchi Competitions Alibaba Cloud Certification

Benefits

Free Trials Solution Trials Academic Program Referral Program

Support

24/7 Support Enterprise Support Plans Cloud Migration Services Service Notices Status Dashboard Trust Center

Follow Us

Follow the Alibaba Cloud official account or download the app to stay updated. Manage and monitor your cloud services anytime, anywhere.

Contact us：4008013260

Legal Notice Cookie Policy Integrity Reporting Security Reporting Contact Us Careers

Friendly Links

Alibaba Group Taobao QwenCloud Tmall AliExpress Alibaba International 1688 Alimama Fliggy Alibaba Cloud HiChina Amap UC Umeng Youku DingTalk Alipay DAMO Academy Taobao Global Alibaba Cloud Drive

© 2009- Present Aliyun.com. All rights reserved. alue-Added Telecommunications Business Operating License: Zhe B2-20080101 Domain Name Registration Service Provider License： Zhe D3-20210002

Zhejiang Public Security Bureau Record No. 33010602009975 Zhejiang B2-20080101-4