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DBMS > AlaSQL vs. DataFS vs. Firebase Realtime Database vs. IBM Db2 warehouse

System Properties Comparison AlaSQL vs. DataFS vs. Firebase Realtime Database vs. IBM Db2 warehouse

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonDataFS  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Cloud-based data warehousing service
Primary database modelDocument store
Relational DBMS
Object oriented DBMSDocument storeRelational DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.09
Rank#360  Overall
#18  Object oriented DBMS
Score13.64
Rank#39  Overall
#6  Document stores
Score1.37
Rank#160  Overall
#74  Relational DBMS
Websitealasql.orgnewdatabase.comfirebase.google.com/­products/­realtime-databasewww.ibm.com/­products/­db2/­warehouse
Technical documentationgithub.com/­AlaSQL/­alasqldev.mobiland.com/­Overview.xspfirebase.google.com/­docs/­database
DeveloperAndrey Gershun & Mathias R. WulffMobiland AGGoogle infoacquired by Google 2014IBM
Initial release2014201820122014
Current release1.1.263, October 2022
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Windowshostedhosted
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)schema-freeyes
Typing infopredefined data types such as float or datenoyesyesyes
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 infoImport/export of XML data possible
Secondary indexesnonoyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonoyes
APIs and other access methodsJavaScript API.NET Client API
Proprietary client DLL
WinRT client
Android
iOS
JavaScript API
RESTful HTTP API
.NET Client API
JDBC
ODBC
OLE DB
Supported programming languagesJavaScript.Net
C
C#
C++
VB.Net
Java
JavaScript
Objective-C
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Server-side scripts infoStored proceduresnolimited functionality with using 'rules'PL/SQL, SQL PL
Triggersyesno, except callback-events from server when changes happenedCallbacks are triggered when data changesyes
Partitioning methods infoMethods for storing different data on different nodesnoneProprietary Sharding systemSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnoWindows-Profileyes, based on authentication and database rulesfine grained access rights according to SQL-standard

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More resources
AlaSQLDataFSFirebase Realtime DatabaseIBM Db2 warehouse infoformerly named IBM dashDB
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