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DBMS > Firebase Realtime Database vs. GreptimeDB vs. NCache vs. Virtuoso

System Properties Comparison Firebase Realtime Database vs. GreptimeDB vs. NCache vs. Virtuoso

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Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonGreptimeDB  Xexclude from comparisonNCache  Xexclude from comparisonVirtuoso  Xexclude from comparison
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.An open source Time Series DBMS built for increased scalability, high performance and efficiencyOpen-Source and Enterprise in-memory Key-Value StoreVirtuoso is a multi-model hybrid-RDBMS that supports management of data represented as relational tables and/or property graphs
Primary database modelDocument storeTime Series DBMSKey-value storeDocument store
Graph DBMS
Native XML DBMS
Relational DBMS
RDF store
Search engine
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.64
Rank#39  Overall
#6  Document stores
Score0.12
Rank#351  Overall
#34  Time Series DBMS
Score0.96
Rank#195  Overall
#29  Key-value stores
Score4.27
Rank#73  Overall
#13  Document stores
#4  Graph DBMS
#2  Native XML DBMS
#39  Relational DBMS
#2  RDF stores
#9  Search engines
Websitefirebase.google.com/­products/­realtime-databasegreptime.comwww.alachisoft.com/­ncachevirtuoso.openlinksw.com
Technical documentationfirebase.google.com/­docs/­databasedocs.greptime.comwww.alachisoft.com/­resources/­docsdocs.openlinksw.com/­virtuoso
DeveloperGoogle infoacquired by Google 2014Greptime Inc.AlachisoftOpenLink Software
Initial release2012202220051998
Current release5.3.3, April 20247.2.11, September 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open Source infoEnterprise Edition availableOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustC#, .NET, .NET Core, JavaC
Server operating systemshostedAndroid
Docker
FreeBSD
Linux
macOS
Windows
Linux
Windows
AIX
FreeBSD
HP-UX
Linux
OS X
Solaris
Windows
Data schemeschema-freeschema-free, schema definition possibleschema-freeyes infoSQL - Standard relational schema
RDF - Quad (S, P, O, G) or Triple (S, P, O)
XML - DTD, XML Schema
DAV - freeform filesystem objects, plus User Defined Types a/k/a Dynamic Extension Type
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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.nononoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes infoSQL-92, SQL-200x, SQL-3, SQLX
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
gRPC
HTTP API
JDBC
IDistributedCache
JCache
LINQ
Proprietary native API
ADO.NET
GeoSPARQL
HTTP API
JDBC
Jena RDF API
ODBC
OLE DB
RDF4J API
RESTful HTTP API
Sesame REST HTTP Protocol
SOAP webservices
SPARQL 1.1
WebDAV
XPath
XQuery
XSLT
Supported programming languagesJava
JavaScript
Objective-C
C++
Erlang
Go
Java
JavaScript
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C#
C++
Java
JavaScript
Perl
PHP
Python
Ruby
Visual Basic
Server-side scripts infoStored procedureslimited functionality with using 'rules'Pythonno infosupport for stored procedures with SQL-Server CLRyes infoVirtuoso PL
TriggersCallbacks are triggered when data changesyes infoNotificationsyes
Partitioning methods infoMethods for storing different data on different nodesShardingyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelChain, star, and bi-directional replication
Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesoptimistic locking and pessimistic lockingACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes, based on authentication and database rulesSimple rights management via user accountsAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Fine-grained Attribute-Based Access Control (ABAC) in addition to typical coarse-grained Role-Based Access Control (RBAC) according to SQL-standard. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
Firebase Realtime DatabaseGreptimeDBNCacheVirtuoso
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Virtuoso is a modern multi-model RDBMS for managing data represented as tabular relations...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Performance & Scale โ€” as exemplified by DBpedia and the LOD Cloud it spawned, i.e.,...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Used for โ€” Analytics/BI Conceptual Data Virtualization Enterprise Knowledge Graphs...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Broad use across enterprises and governments including โ€” European Union (EU) US Government...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Market Leader in .NET Distributed Caching since 2005.
» more
Largest installed-base โ€‹of Multi-Model RDBMS for AI-friendly Knowledge Graphs Platform...
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
Available in both Commercial Enterprise and Open Source (GPL v2) Editions Feature...
» more

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Firebase Realtime DatabaseGreptimeDBNCacheVirtuoso
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