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DBMS > AlaSQL vs. Firebase Realtime Database vs. IBM Cloudant vs. Netezza

System Properties Comparison AlaSQL vs. Firebase Realtime Database vs. IBM Cloudant vs. Netezza

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonNetezza infoAlso called PureData System for Analytics by IBM  Xexclude from comparison
DescriptionJavaScript DBMS libraryCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Database as a Service offering based on Apache CouchDBData warehouse and analytics appliance part of IBM PureSystems
Primary database modelDocument store
Relational DBMS
Document storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#259  Overall
#40  Document stores
#120  Relational DBMS
Score15.00
Rank#39  Overall
#6  Document stores
Score2.73
Rank#108  Overall
#20  Document stores
Score10.18
Rank#46  Overall
#29  Relational DBMS
Websitealasql.orgfirebase.google.com/­products/­realtime-databasewww.ibm.com/­products/­cloudantwww.ibm.com/­products/­netezza
Technical documentationgithub.com/­AlaSQL/­alasqlfirebase.google.com/­docs/­databasecloud.ibm.com/­docs/­Cloudant
DeveloperAndrey Gershun & Mathias R. WulffGoogle infoacquired by Google 2014IBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014IBM
Initial release2014201220102000
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptErlang
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedhostedLinux infoincluded in appliance
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesnoyes
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 indexesnoyesyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonoyes
APIs and other access methodsJavaScript APIAndroid
iOS
JavaScript API
RESTful HTTP API
RESTful HTTP/JSON APIJDBC
ODBC
OLE DB
Supported programming languagesJavaScriptJava
JavaScript
Objective-C
C#
Java
JavaScript
Objective-C
PHP
Ruby
C
C++
Fortran
Java
Lua
Perl
Python
R
Server-side scripts infoStored proceduresnolimited functionality with using 'rules'View functions (Map-Reduce) in JavaScriptyes
TriggersyesCallbacks are triggered when data changesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageyesno infoatomic operations within a document possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyes
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.yesno
User concepts infoAccess controlnoyes, based on authentication and database rulesAccess rights for users can be defined per databaseUsers with fine-grained authorization concept

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More resources
AlaSQLFirebase Realtime DatabaseIBM CloudantNetezza infoAlso called PureData System for Analytics by IBM
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