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DBMS > atoti vs. EXASOL vs. Firebase Realtime Database vs. Oracle Rdb

System Properties Comparison atoti vs. EXASOL vs. Firebase Realtime Database vs. Oracle Rdb

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonEXASOL  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.High-performance, in-memory, MPP database specifically designed for in-memory analytics.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.
Primary database modelObject oriented DBMSRelational DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.45
Rank#253  Overall
#13  Object oriented DBMS
Score1.66
Rank#138  Overall
#64  Relational DBMS
Score13.60
Rank#39  Overall
#6  Document stores
Score1.04
Rank#184  Overall
#84  Relational DBMS
Websiteatoti.iowww.exasol.comfirebase.google.com/­products/­realtime-databasewww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationdocs.atoti.iowww.exasol.com/­resourcesfirebase.google.com/­docs/­databasewww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperActiveViamExasolGoogle infoacquired by Google 2014Oracle, originally developed by Digital Equipment Corporation (DEC)
Initial release200020121984
Current release7.4.1.1, 2021
License infoCommercial or Open Sourcecommercial infofree versions availablecommercialcommercialcommercial
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 languageJava
Server operating systemshostedHP Open VMS
Data schemeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)
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 SQLMultidimensional Expressions (MDX)yesnoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Android
iOS
JavaScript API
RESTful HTTP API
Supported programming languagesJava
Lua
Python
R
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresPythonuser defined functionslimited functionality with using 'rules'
TriggersyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningSharding
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
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.yesyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardyes, based on authentication and database rules

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More resources
atotiEXASOLFirebase Realtime DatabaseOracle Rdb
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