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Databases · head to head

Cassandra vs Oracle Cloud

Cassandra logo

Cassandra

Databases

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
Oracle Cloud logo

Oracle Cloud

Cloud

Enterprise cloud computing services

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Oracle Cloud the free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first
  • They diverge on capability: Cassandra covers Linear Scalability, Oracle Cloud covers Autonomous Database.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cassandra and Oracle Cloud actually diverge.

Attributes where Cassandra and Oracle Cloud differ
AttributeCassandraOracle Cloud
Pricing modelUnknownusage-based
PlatformsLinux, macOS, Windows, Docker, KubernetesLinux, Windows, Api, Cli
CategoryDatabasesCloud
Founded20082019

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cassandra

  • Linear Scalability
  • Fault Tolerance
  • Multi-datacenter Replication
  • Tunable Consistency
  • CQL Query Language
  • Distributed Architecture
  • No Single Point of Failure
  • DataStax

Only in Oracle Cloud

  • Autonomous Database
  • Compute Instances
  • MySQL Database Service
  • Object Storage
  • Block Volume
  • Load Balancers
  • Virtual Cloud Network
  • API Gateway

Both cover

  • Linux support
  • Windows support

What people use each for

The jobs each tool is most often brought in to do.

Cassandra

  • Real-time applicationsnot Oracle Cloud
  • Content managementnot Oracle Cloud
  • User profilesnot Oracle Cloud
  • Mobile backendsnot Oracle Cloud
  • Cachingnot Oracle Cloud

Oracle Cloud

  • Running virtual machines, databases and storage on Oracle's cloud infrastructurenot Cassandra
  • Hosting Oracle Database workloads on infrastructure from the same vendornot Cassandra

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cassandra

  • No support for joins across tables
  • No ACID transactions across multiple rows
  • Data model must be designed around query patterns upfront, making schema evolution difficult
  • Partition key misconfigurations can cause uneven data distribution and hotspots that degrade performance

Oracle Cloud

  • The free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first
  • The US$300 cloud credit is available only in select countries
  • Only one Oracle Cloud Free Trial or Always Free account is permitted per person
  • Accounts left idle for 30 days or more are eligible for suspension or termination as abandoned
  • Always Free NoSQL Database is restricted to the Phoenix region
  • Free Tier availability is subject to capacity limits, and the published per-service capacity figures are estimates that assume the entire credit is spent on that one service

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Oracle Cloud

Free
  • Always FreeFree
    • Oracle Autonomous Database
    • 2 compute instances
    • 100 GB storage
  • Pay-as-You-GoFree
    • Flexible pricing
    • No long-term commitment
    • Enterprise support

Which should you pick?

Choose Cassandra if

  • You need linear scalability.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes.
  • You also want fault tolerance.
Cassandra review

Choose Oracle Cloud if

  • You need autonomous database.
  • You want to start without paying.
  • You work on Linux, Windows, Api, Cli.
  • You also want compute instances.
Oracle Cloud review

Questions people ask

Is Cassandra or Oracle Cloud better?
Neither clearly leads. Cassandra starts at Free and Oracle Cloud at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Oracle Cloud?
Cassandra starts at Free and Oracle Cloud at Free.
Does Cassandra or Oracle Cloud run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Oracle Cloud runs on Linux, Windows, Api, Cli.
Can I use Cassandra for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cassandra best used for?
Cassandra is most often used for real-time applications, content management, user profiles, mobile backends. Of those, real-time applications and content management are not what Oracle Cloud is typically brought in for.
What can Cassandra do that Oracle Cloud cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Oracle Cloud covers Autonomous Database, Compute Instances, MySQL Database Service, Object Storage. Both handle Linux support, Windows support.

Answered from the vendors’ own pages

Cassandra: Does Cassandra support joins between tables?

No. Cassandra does not support joins or foreign keys. The data model requires denormalization, meaning data must be duplicated across tables to support different query patterns.

Source
Cassandra: Does Cassandra offer ACID transactions?

No. Cassandra provides only row-level atomicity and isolation, not full ACID transactions across multiple rows or tables. It uses lightweight transactions via Paxos for per-row compare-and-set operations.

Source
Cassandra: What programming languages can connect to Cassandra?

Cassandra supports official drivers for multiple languages including Python, Java, Node.js, and Go, allowing applications to communicate via the native Cassandra protocol.

Source
Cassandra: Can I deploy Cassandra in the cloud?

Yes. Cassandra can run on any cloud platform (AWS, Google Cloud, Azure) via Docker, virtual machines, or managed services like DataStax Astra DB, which provides a fully managed DBaaS option.

Source
Cassandra: Does Cassandra have a free option?

The open source Apache Cassandra is free. DataStax also offers Astra DB with a free tier providing up to 25GB storage and 25 million read/write operations per month.

Source
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