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DBMS > FatDB vs. Google Cloud Firestore vs. Kdb vs. OpenTSDB vs. Raima Database Manager

System Properties Comparison FatDB vs. Google Cloud Firestore vs. Kdb vs. OpenTSDB vs. Raima Database Manager

Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonGoogle Cloud Firestore  Xexclude from comparisonKdb  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRaima Database Manager infoformerly named db_Vista  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA .NET NoSQL DBMS that can integrate with and extend SQL Server.Cloud Firestore is an auto-scaling document database for storing, syncing, and querying data for mobile and web apps. It offers seamless integration with other Firebase and Google Cloud Platform products.High performance Time Series DBMSScalable Time Series DBMS based on HBaseRDBMS with a small footprint, either embedded into an application or used as a database server
Primary database modelDocument store
Key-value store
Document storeTime Series DBMS
Vector DBMS
Time Series DBMSRelational DBMS
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.85
Rank#51  Overall
#8  Document stores
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.46
Rank#259  Overall
#120  Relational DBMS
#22  Time Series DBMS
Websitefirebase.google.com/­products/­firestorekx.comopentsdb.netraima.com
Technical documentationfirebase.google.com/­docs/­firestorecode.kx.comopentsdb.net/­docs/­build/­html/­index.htmldocs.raima.com
DeveloperFatCloudGoogleKx Systems, a division of First Derivatives plccurrently maintained by Yahoo and other contributorsRaima Inc.
Initial release201220172000 infokdb was released 2000, kdb+ in 200320111984
Current release3.6, May 201815, June 2021
License infoCommercial or Open Sourcecommercialcommercialcommercial infofree 32-bit versionOpen Source infoLGPLcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#qJavaC
Server operating systemsWindowshostedLinux
OS X
Solaris
Windows
Linux
Windows
Android
HP-UX
Integrity RTOS
iOS
Linux
OS X
QNX
Solaris
VxWorks
Windows
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnumeric data for metrics, strings for tagsyes
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.noyesnono infoExporting/Importing of XML structures possible
Secondary indexesyesyesyes infotable attribute 'grouped'noyes
SQL infoSupport of SQLno infoVia inetgration in SQL ServernoSQL-like query language (q)noyes
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Android
gRPC (using protocol buffers) API
iOS
JavaScript API
RESTful HTTP API
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
HTTP API
Telnet API
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC#Go
Java
JavaScript
JavaScript (Node.js)
Objective-C
Python
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Erlang
Go
Java
Python
R
Ruby
.Net
C
C++
Objective-C
PL/SQL
Server-side scripts infoStored proceduresyes infovia applicationsyes, Firebase Rules & Cloud Functionsuser defined functionsnoyes infobased on the ANSI/ISO SQL Persistent Stored Modules (PSM) specification
Triggersyes infovia applicationsyes, with Cloud Functionsyes infowith viewsnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioningSharding infobased on HBasehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorMulti-source replicationSource-replica replicationselectable replication factor infobased on HBaseSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesUsing Cloud Dataflowno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency or Eventual Consistency depending on configuration
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlno infoCan implement custom security layer via applicationsAccess rights for users, groups and roles based on Google Cloud Identity and Access Management. Security Rules for 3rd party authentication using Firebase Auth.rights management via user accountsnono
More information provided by the system vendor
FatDBGoogle Cloud FirestoreKdbOpenTSDBRaima Database Manager infoformerly named db_Vista
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
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Raima Database Manager (RDM) is an embedded time-series database optimized to run...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Decreased time-to-market Industry-standard interfaces & tools for making your job...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Typical use cases include: Internet of Things (IoT) Embedded In-Memory Database Time-Series...
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Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Infor, ABB, The Boeing Company, BAE Systems, Dow Jones, Dun & Bradstreet, Fujitsu,...
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Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
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Over 30 000 applications developers worldwide have field-tested RDM products More...
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Licensing and pricing modelsupon request
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Just as the technical aspects of Raima Database Manager are flexible, so are the...
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Raima Expands Their Reseller Network in Asia
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We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
FatDBGoogle Cloud FirestoreKdbOpenTSDBRaima Database Manager infoformerly named db_Vista
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