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DBMS > EXASOL vs. FatDB vs. Firebase Realtime Database vs. OpenTenBase

System Properties Comparison EXASOL vs. FatDB vs. Firebase Realtime Database vs. OpenTenBase

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonFatDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonOpenTenBase  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A .NET NoSQL DBMS that can integrate with and extend SQL Server.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.An enterprise-level distributed HTAP open source database based on PostgreSQL
Primary database modelRelational DBMSDocument store
Key-value store
Document storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#138  Overall
#64  Relational DBMS
Score13.60
Rank#39  Overall
#6  Document stores
Score0.00
Rank#385  Overall
#159  Relational DBMS
Websitewww.exasol.comfirebase.google.com/­products/­realtime-databasegithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
Technical documentationwww.exasol.com/­resourcesfirebase.google.com/­docs/­databasedocs.opentenbase.org
docs.opentenbase.org/­en
DeveloperExasolFatCloudGoogle infoacquired by Google 2014OpenAtom Foundation, previously Tencent
Initial release200020122012
Current release2.5, January 2024
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source infoBSD-3
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#
Server operating systemsWindowshostedLinux
Data schemeyesschema-freeschema-freeyes
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.nono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesno infoVia inetgration in SQL Servernoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Android
iOS
JavaScript API
RESTful HTTP API
Supported programming languagesJava
Lua
Python
R
C#Java
JavaScript
Objective-C
C
Go
Java
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsyes infovia applicationslimited functionality with using 'rules'
Triggersyesyes infovia applicationsCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyesACID
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.yes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardno infoCan implement custom security layer via applicationsyes, based on authentication and database rulesAccess rights for users, groups and roles according to SQL-standard

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More resources
EXASOLFatDBFirebase Realtime DatabaseOpenTenBase
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