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DBMS > Apache Phoenix vs. FatDB vs. Google Cloud Firestore vs. OpenMLDB vs. OpenTSDB

System Properties Comparison Apache Phoenix vs. FatDB vs. Google Cloud Firestore vs. OpenMLDB vs. OpenTSDB

Editorial information provided by DB-Engines
NameApache Phoenix  Xexclude from comparisonFatDB  Xexclude from comparisonGoogle Cloud Firestore  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOpenTSDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA scale-out RDBMS with evolutionary schema built on Apache HBaseA .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.An open-source machine learning database that provides a feature platform for training and inferenceScalable Time Series DBMS based on HBase
Primary database modelRelational DBMSDocument store
Key-value store
Document storeTime Series DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.06
Rank#123  Overall
#58  Relational DBMS
Score7.36
Rank#53  Overall
#9  Document stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Websitephoenix.apache.orgfirebase.google.com/­products/­firestoreopenmldb.aiopentsdb.net
Technical documentationphoenix.apache.orgfirebase.google.com/­docs/­firestoreopenmldb.ai/­docs/­zh/­mainopentsdb.net/­docs/­build/­html/­index.html
DeveloperApache Software FoundationFatCloudGoogle4 Paradigm Inc.currently maintained by Yahoo and other contributors
Initial release20142012201720202011
Current release5.0-HBase2, July 2018 and 4.15-HBase1, December 20192024-2 February 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercialOpen SourceOpen Source infoLGPL
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#C++, Java, ScalaJava
Server operating systemsLinux
Unix
Windows
WindowshostedLinuxLinux
Windows
Data schemeyes infolate-bound, schema-on-read capabilitiesschema-freeschema-freeFixed schemaschema-free
Typing infopredefined data types such as float or dateyesyesyesyesnumeric data for metrics, strings for tags
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 indexesyesyesyesyesno
SQL infoSupport of SQLyesno infoVia inetgration in SQL Servernoyesno
APIs and other access methodsJDBC.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Android
gRPC (using protocol buffers) API
iOS
JavaScript API
RESTful HTTP API
JDBC
SQLAlchemy
HTTP API
Telnet API
Supported programming languagesC
C#
C++
Go
Groovy
Java
PHP
Python
Scala
C#Go
Java
JavaScript
JavaScript (Node.js)
Objective-C
Python
C++
Go
Java
Python
Scala
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresuser defined functionsyes infovia applicationsyes, Firebase Rules & Cloud Functionsnono
Triggersnoyes infovia applicationsyes, with Cloud Functionsnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardinghorizontal partitioningSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factorMulti-source replicationSource-replica replicationselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationyesUsing Cloud Dataflowno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyesnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.yesyesno
User concepts infoAccess controlAccess Control Lists (using HBase ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC, multi-tenancyno 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.fine grained access rights according to SQL-standardno

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More resources
Apache PhoenixFatDBGoogle Cloud FirestoreOpenMLDBOpenTSDB
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