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DBMS > Apache Cassandra vs. CockroachDB vs. Stardog

System Properties Comparison Apache Cassandra vs. CockroachDB vs. Stardog

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonCockroachDB  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database modelWide column storeRelational DBMSGraph DBMS
RDF store
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score106.65
Rank#11  Overall
#1  Wide column stores
Score4.40
Rank#65  Overall
#37  Relational DBMS
Score1.59
Rank#136  Overall
#11  Graph DBMS
#6  RDF stores
Websitecassandra.apache.orgwww.cockroachlabs.comwww.stardog.com
Technical documentationcassandra.apache.org/­doc/­latestwww.cockroachlabs.com/­docsdocs.stardog.com
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookCockroach LabsStardog-Union
Initial release200820152010
Current release5.0-rc1, July 202424.1.0, May 20247.3.0, May 2020
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache 2.0, commercial license availablecommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaGoJava
Server operating systemsBSD
Linux
OS X
Windows
Linux
macOS
Windows
Linux
macOS
Windows
Data schemeschema-freedynamic schemaschema-free and OWL/RDFS-schema support
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono infoImport/export of XML data possible
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes infosupports real-time indexing in full-text and geospatial
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yes, wire compatible with PostgreSQLYes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JDBCGraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresnonouser defined functions and aggregates, HTTP Server extensions in Java
Triggersyesnoyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"horizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication using RAFTMulti-source replication in HA-Cluster
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integritynoyesyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess rights for users can be defined per objectRole-based access controlAccess rights for users and roles
More information provided by the system vendor
Apache CassandraCockroachDBStardog
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More resources
Apache CassandraCockroachDBStardog
Recent citations in the news

Best practices for running Apache Cassandra with Amazon EBS
8 November 2024, AWS Blog

IBM plans to buy open source Cassandra wrangler DataStax
25 February 2025, The Register

New Apache Cassandra 5.0 gives open source NoSQL database a scalability and performance boost
6 September 2024, VentureBeat

Apache Cassandra survey highlights growing adoption for AI workloads
11 November 2024, Blocks and Files

IBM to buy Cassandra specialist DataStax
25 February 2025, The Stack

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AI Meets Resilience: Cockroach Labs Intros CockroachDB 24.2
2 October 2024, Channel Insider

Cockroach Labs shakes up its licensing to force bigger companies to pay
15 August 2024, TechCrunch

CockroachDB scurries off to proprietary software land
23 August 2024, The Register

Now CockroachDB Ditches Open-Source License
20 August 2024, It's FOSS News

Cockroach Labs Signs Strategic Collaboration Agreement with AWS to Accelerate Modernization and GenAI Adoption
24 October 2024, PR Newswire

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