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DBMS > Firebase Realtime Database vs. H2GIS vs. Impala

System Properties Comparison Firebase Realtime Database vs. H2GIS vs. Impala

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Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonH2GIS  Xexclude from comparisonImpala  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.Spatial extension of H2Analytic DBMS for Hadoop
Primary database modelDocument storeSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score17.58
Rank#38  Overall
#6  Document stores
Score0.18
Rank#355  Overall
#5  Spatial DBMS
Score19.60
Rank#36  Overall
#22  Relational DBMS
Websitefirebase.google.com/­products/­realtime-databasewww.h2gis.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationfirebase.google.com/­docs/­databasewww.h2gis.org/­docs/­homedocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperGoogle infoacquired by Google 2014CNRSCloudera
Initial release201220132013
Current release4.1.0, June 2022
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++
Server operating systemshostedLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLnoyesSQL-like DML and DDL statements
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
JDBC
ODBC
Supported programming languagesJava
JavaScript
Objective-C
JavaAll languages supporting JDBC/ODBC
Server-side scripts infoStored procedureslimited functionality with using 'rules'yes infobased on H2yes infouser defined functions and integration of map-reduce
TriggersCallbacks are triggered when data changesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoquery execution via MapReduce
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
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes, based on authentication and database rulesyes infobased on H2Access rights for users, groups and roles infobased on Apache Sentry and Kerberos

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More resources
Firebase Realtime DatabaseH2GISImpala
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