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DBMS > Cassandra vs. CouchDB vs. CrateDB vs. Memgraph vs. SAP Adaptive Server

System Properties Comparison Cassandra vs. CouchDB vs. CrateDB vs. Memgraph vs. SAP Adaptive Server

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonCrateDB  Xexclude from comparisonMemgraph  Xexclude from comparisonSAP Adaptive Server infoformer name: Sybase ASE  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Distributed Database based on LuceneAn open source graph database built for real-time streaming and compatible with Neo4jThe SAP (Sybase) Adaptive Server Enterprise (ASE) is an enterprise-class RDBMS
Primary database modelWide column storeDocument storeDocument store
Spatial DBMS
Search engine
Time Series DBMS
Vector DBMS
Graph DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Spatial DBMS infousing the Geocouch extensionRelational DBMSSpatial DBMS infowith Boeing's Spatial Query Server
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score104.59
Rank#12  Overall
#1  Wide column stores
Score11.73
Rank#45  Overall
#7  Document stores
Score0.76
Rank#226  Overall
#37  Document stores
#5  Spatial DBMS
#16  Search engines
#18  Time Series DBMS
#8  Vector DBMS
Score3.09
Rank#105  Overall
#7  Graph DBMS
Score37.49
Rank#25  Overall
#17  Relational DBMS
Websitecassandra.apache.orgcouchdb.apache.orgcratedb.commemgraph.comwww.sap.com/­products/­technology-platform/­sybase-ase.html
Technical documentationcassandra.apache.org/­doc/­latestdocs.couchdb.org/­en/­stablecratedb.com/­docsmemgraph.com/­docshelp.sap.com/­docs/­SAP_ASE
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerCrateMemgraph LtdSAP, Sybase
Initial release20082005201320171987
Current release4.1.3, July 20233.3.3, December 202316.0
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache version 2Open Sourcecommercial infoFree license availablecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.CrateDB Cloud: a distributed SQL database that spreads data and processing across an elastic cluster of shared nothing nodes. CrateDB Cloud enables data insights at scale on Microsoft Azure, AWS and Google Cloud Platform.
Implementation languageJavaErlangJavaC and C++C and C++
Server operating systemsBSD
Linux
OS X
Windows
Android
BSD
Linux
OS X
Solaris
Windows
All Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportLinuxAIX
HP-UX
Linux
Solaris
Unix
Windows
Data schemeschema-freeschema-freeFlexible Schema (defined schema, partial schema, schema free)schema-free and schema-optionalyes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.nonononono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infovia viewsyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyes, but no triggers and constraints, and PostgreSQL compatibilitynoyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
RESTful HTTP/JSON APIADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Bolt protocol
Cypher query language
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.NET
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
R
Ruby infocommunity maintained client
Scala infocommunity maintained client
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C
C++
Cobol
Java
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptuser defined functions (Javascript)Java and Transact-SQL
Triggersyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infoimproved architecture with release 2.0ShardingSharding infodynamic graph partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication
Source-replica replication
Configurable replication on table/partition-levelMulti-source replication using RAFTMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual ConsistencyEventual Consistency
Read-after-write consistency on record level
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes inforelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsno infoatomic operations within a single document possibleno infounique row identifiers can be used for implementing an optimistic concurrency control strategyACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users can be defined per databaserights management via user accountsUsers, roles and permissionsfine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"CrateDBMemgraphSAP Adaptive Server infoformer name: Sybase ASE
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
The enterprise database for time series, documents, and vectors. Distributed - Native...
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Memgraph directly connects to your streaming infrastructure so you and your team...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Response time in milliseconds: e ven for complex ad-hoc queries. Massive scaling...
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Business Source License ensures a future for the Memgraph community MAGE algorithm...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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​ IoT: accelerate your IIoT projects with CrateDB, delivering real-time analytics...
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Graph algorithms in bioinformatics Social network analysis Cryptocurrency network...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Across all continents, CrateDB is used by companies of all sizes to meet the most...
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Market metricsCassandra is used by 40% of the Fortune 100.
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The CrateDB open source project was started in 2013 Honorable Mention in 2021 Gartner®...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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See CrateDB pricing >
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You can check out our pricing model and licenses on the company website .
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