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DBMS > Apache Cassandra vs. GreptimeDB vs. Lovefield vs. SQL.JS

System Properties Comparison Apache Cassandra vs. GreptimeDB vs. Lovefield vs. SQL.JS

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonGreptimeDB  Xexclude from comparisonLovefield  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessAn open source Time Series DBMS built for increased scalability, high performance and efficiencyEmbeddable relational database for web apps written in pure JavaScriptPort of SQLite to JavaScript
Primary database modelWide column storeTime Series DBMSRelational DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score97.61
Rank#11  Overall
#1  Wide column stores
Score0.11
Rank#336  Overall
#29  Time Series DBMS
Score0.22
Rank#302  Overall
#137  Relational DBMS
Score0.51
Rank#247  Overall
#115  Relational DBMS
Websitecassandra.apache.orggreptime.comgoogle.github.io/­lovefieldsql.js.org
Technical documentationcassandra.apache.org/­doc/­latestdocs.greptime.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdsql.js.org/­documentation/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookGreptime Inc.GoogleAlon Zakai infoenhancements implemented by others
Initial release2008202220142012
Current release5.0-rc1, July 20242.1.12, February 2017
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2.0Open Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenononono
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.
Implementation languageJavaRustJavaScriptJavaScript
Server operating systemsBSD
Linux
OS X
Windows
Android
Docker
FreeBSD
Linux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, Safariserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-free, schema definition possibleyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesSQL-like query language infovia JavaScript builder patternyes infoSQL-92 is not fully supported
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
gRPC
HTTP API
JDBC
JavaScript API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C++
Erlang
Go
Java
JavaScript
JavaScriptJavaScript
Server-side scripts infoStored proceduresnoPythonnono
TriggersyesUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Shardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistencynone
Foreign keys infoReferential integritynoyesyes
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, by using IndexedDB or the cloud service Firebase Realtime Databaseno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infousing MemoryDByes
User concepts infoAccess controlAccess rights for users can be defined per objectSimple rights management via user accountsnono
More information provided by the system vendor
Apache CassandraGreptimeDBLovefieldSQL.JS
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
GreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
For IoT industries, GreptimeDB can seamless integrate with message queues and other...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Greptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Market metricsApache Cassandra is used by 40% of the Fortune 100.
» more
GreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
GreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more
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