PolarDB for MySQL

PolarDB for MySQL

PolarDB for Xscale

PolarDB for PostgreSQL

PolarDB for PostgreSQL(Compatible with Oracle)

Product Introduction
Billing
Node Specifications
Announcements and Updates
Quick start
User Guide
Performance White Paper
Best Practices
API Reference
Download SDKs
FAQ
Terms
Legal Resources

Getting Started

The Beginner's Guide
Well-Architected Framework

Computing

Elastic Compute Service
Elastic GPU Service
Elastic Container Instance
Dedicated Host
Simple Application Server
FPGA as a Service
Cloud Box
Auto Scaling
Elastic High Performance Computing
Batch Compute
Function Compute
Serverless App Engine
ENS
Elastic Desktop Service
App Streaming
WUYING Terminal
Cloud Phone
Edge Network Acceleration
Alibaba Cloud Linux

Container

Container Service for Kubernetes
Container Compute Service
Container Registry

Storage

Object Storage Service
Cloud Parallel File Storage
File Storage NAS
Tablestore
Storage Capacity Unit
Simple Log Service
Cloud Backup
Intelligent Media Management
Drive and Photo Service
Data Transport
Cloud Storage Gateway
Data Online Migration
Hybrid Cloud Storage Array
Storage Services Overview
Backup and Disaster Recovery Center

Networking and CDN

Server Load Balancer
Elastic IP Address
Internet Shared Bandwidth
Data Transfer Plan
Virtual Private Cloud
NAT Gateway
PrivateLink
Alibaba Cloud DNS PrivateZone
Network Intelligence Service
Cloud Data Transfer
IPv6 Gateway
Anycast Elastic IP Address
Cloud Enterprise Network
Global Accelerator
VPN Gateway
Smart Access Gateway
Express Connect
CDN
Edge Security Acceleration
Cloud Network Well-architected Design Guidelines

Security

Anti-DDoS
Web Application Firewall
Cloud Firewall
Security Center
Bastionhost
Secure Access Service Edge
Certificate Management Service
Key Management Service
Data Security Center
Identity as a Service
Fraud Detection
Content Moderation
Captcha
Blockchain as a Service
ID Verification
Managed Security Service

Middleware

Enterprise Distributed Application Service
Microservices Engine
Alibaba Cloud Service Mesh
SchedulerX
ApsaraMQ for RocketMQ
ApsaraMQ for Kafka
ApsaraMQ for RabbitMQ
ApsaraMQ for MQTT
Simple Message Queue (formerly MNS)
CloudFlow
EventBridge
Application Real-Time Monitoring Service
Managed Service for Prometheus
Managed Service for Grafana
Managed Service for OpenTelemetry
Performance Testing

Databases

PolarDB
ApsaraDB RDS
ApsaraDB for OceanBase
Tair (Redis® OSS-Compatible)
Lindorm
Time Series Database
ApsaraDB for MongoDB
ApsaraDB for HBase
ApsaraDB for Memcache
ApsaraDB for MyBase
AnalyticDB
ApsaraDB for ClickHouse
ApsaraDB for SelectDB
Data Transmission Service
Database Autonomy Service
Data Management
Database Gateway - Deprecated
ApsaraDB for Cassandra - Deprecated

Analytics Computing

MaxCompute
Hologres
Realtime Compute for Apache Flink
Elasticsearch
E-MapReduce
Data Lake Formation
DataV
Quick BI
DataWorks
DataHub
Dataphin

AI & Machine Learning

Platform For AI
Artificial Intelligence Recommendation
OpenSearch
Image Search
Machine Translation
Intelligent Speech Interaction
Optimization Solver
DashVector
Alibaba Cloud Model Studio

Media Services

ApsaraVideo VOD
ApsaraVideo Live
Intelligent Media Services
ApsaraVideo Media Processing
Apsara Video SDK

Enterprise Services & Cloud Communication

Energy Expert
CloudQuotation
Salesforce on Alibaba Cloud
GoChina ICP Filing Assistant
Marketplace
Alibaba Mail
Direct Mail
Short Message Service
Voice Service
Phone Number Verification Service
Cell Phone Number Service
Chat App Message Service
Financial Intelligence Engine

Domain Names and Websites

Domain Names
ICP Filing
Alibaba Cloud DNS

End User Computing

Elastic Desktop Service
App Streaming
WUYING Terminal
Cloud Phone

Internet of Things

IoT Platform
Cloud Display (Deprecated)

Serverless

Serverless App Engine
CloudFlow
EventBridge
Simple Message Queue (formerly MNS)
Function Compute

Developer Tools

OpenAPI Explorer
Alibaba Cloud SDK
Cloud Shell
Resource Orchestration Service
Alibaba Cloud CLI
BSS OpenAPI
Terraform
Pulumi
Ticket System API
Mobile Platform as a Service
Alibaba Cloud DevOps
API Gateway
Cloud Control API
AI Coding Assistant Lingma

Migration & O&M Management

CloudOps Orchestration Service
CloudMonitor
Intelligent Advisor
Cloud Governance Center
ActionTrail
Mobile Testing - Deprecated
Cloud Config
Resource Access Management
Resource Management
Cloud Architect Design Tools
Cloud Migration Hub
Server Migration Center
Service Catalog
Logic Composer
Quota Center
CloudSSO
HTTPDNS

Solutions

SAP
SuperApp

Membership Service

Expenses and Costs
Account Management

More

Support
Legal
Tech Share Terms and Conditions
After Sales Support
China Gateway Program
Service Level Objectives

Home PagePolarDBPolarDB for MySQLUser GuideOptimization of DDL executionDDL performance optimizationInstant DDL operations

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Instant DDL operations

Updated at: 2025-03-31 02:54

PolarDB supports instant DDL operations.

Instantly add columns
Instantly modify columns
Instantly change character sets

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