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DBMS > Cassandra vs. PouchDB vs. TDengine vs. TerminusDB

System Properties Comparison Cassandra vs. PouchDB vs. TDengine vs. TerminusDB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonPouchDB  Xexclude from comparisonTDengine  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessJavaScript DBMS with an API inspired by CouchDBTime Series DBMS and big data platformScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelWide column storeDocument storeTime Series DBMSGraph DBMS
Secondary database modelsVector DBMS infostarting with release V5Relational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score98.83
Rank#12  Overall
#1  Wide column stores
Score2.34
Rank#112  Overall
#21  Document stores
Score2.68
Rank#106  Overall
#9  Time Series DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websitecassandra.apache.orgpouchdb.comgithub.com/­taosdata/­TDengine
tdengine.com
terminusdb.com
Technical documentationcassandra.apache.org/­doc/­latestpouchdb.com/­guidesdocs.tdengine.comterminusdb.github.io/­terminusdb/­#
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookApache Software FoundationTDEngine, previously Taos DataDataChemist Ltd.
Initial release2008201220192018
Current release4.1.3, July 20237.1.1, June 20193.0, August 202211.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache version 2Open SourceOpen Source infoAGPL V3, also commercial editions availableOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaJavaScriptCProlog, Rust
Server operating systemsBSD
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
Linux
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.nononono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infovia viewsno
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noStandard SQL with extensions for time-series applicationsSQL-like query language (WOQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP REST infoonly for PouchDB Server
JavaScript API
JDBC
RESTful HTTP API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
JavaScriptC
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
JavaScript
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptnoyes
Triggersyesyesyes, via alarm monitoringyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infowith a proxy-based framework, named couchdb-loungeShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
yesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess rights for users can be defined per objectnoyesRole-based access control
More information provided by the system vendor
CassandraPouchDBTDengineTerminusDB infoformer name was DataChemist
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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TDengine™ is a next generation data historian purpose-built for Industry 4.0 and...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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High Performance at any Scale: TDengine is purpose-built for handling massive industrial...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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TDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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TDengine has garnered over 22,500 stars on GitHub and is used in over 50 countries...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
TDengine OSS is an open source, cloud native time series database. It includes built-in...
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