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任务决策

托管 PostgreSQL：在标准兼容性与平台能力之间选择

比较托管 PostgreSQL 的连接方式、扩缩容、备份、分支与生态集成。

Recommendation

希望保持 PostgreSQL 基础并获得弹性分支时优先 Neon；需要整合产品能力时评估 Supabase。

先确定你的应用需要的是数据库本身，还是连同认证、存储和 API 的一体化后端。13

适用范围： Teams already committed to PostgreSQL and choosing who operates it

Main trade-off

更高层平台减少搭建工作，但应用边界会更紧地依赖平台服务。134

选择标准

按真实约束逐项判断，不要只比较功能列表。

  1. Compatibility and extensions

    List required PostgreSQL versions, extensions, drivers, pooling, host access, and replication behavior.13

  2. Recovery and availability

    Verify backups, restore procedures, point-in-time recovery, high availability, replicas, and regional failure expectations.13

  3. Workload and connections

    Model steady versus bursty load, connection behavior, suspension, resume latency, storage growth, and capacity ceilings.13

  4. Provider boundary

    Decide whether adjacent backend services, support, migration, and exit obligations should be coupled to the database provider.45

适用路线

这些条件会改变默认答案；请在作出承诺前逐项验证。

Branching and elasticity are material

Evaluate Neon.

Database branches and independently scalable compute fit preview environments, intermittent use, and teams selecting adjacent services separately.

Verify: A conventional always-on capacity model or unsupported extension, region, recovery, or connection behavior should move the decision.123

Backend consolidation is the objective

Evaluate Supabase.

One platform can combine managed PostgreSQL with identity, storage, realtime, APIs, and policy tooling.

Verify: Do not treat the PostgreSQL service independently from the platform's quotas, policies, pricing, and exit path.13

PostgreSQL operations are the primary purchase

Evaluate Crunchy Bridge.

A PostgreSQL-specialist operating model suits teams that prefer explicit plans and assemble adjacent services themselves.

Verify: Scale-to-zero, database branching, or a bundled backend as a primary requirement points to another route.1345

边界： This page assumes PostgreSQL is already the correct engine. Return to Database for SQL-versus-document decisions and use Serverless Databases when elasticity itself is the primary architecture question.

关键差异

把真正会改变决策的边界单独比较。

Capacity model
Elastic compute, platform quotas, and provisioned plans create different idle costs and scaling limits.12
Platform coupling
A database-only service and an integrated backend have different replacement and incident boundaries.34
Recovery contract
Backups, retention, point-in-time recovery, replicas, restore procedures, and region behavior require direct verification.13
Compatibility
Extensions, connections, pooling, host access, maintenance, and version policy can constrain applications and migrations.13

官方资源

官方文档与继续决策的正式路径。

DocumentationNeon introduction
DocumentationNeon branching

来源

支撑页面关键主张的资料。

  1. 1
    Neon introduction

    Neon · Accessed Official

  2. 2
    Neon branching

    Neon · Accessed Official

  3. 3
    Supabase database overview

    Supabase · Accessed Official

  4. 4
    Crunchy Bridge documentation

    Crunchy Data · Accessed Official

  5. 5
    Crunchy Bridge plans and pricing

    Crunchy Data · Accessed Official