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DBMS > AlaSQL vs. Bangdb vs. Coveo vs. Firebase Realtime Database

System Properties Comparison AlaSQL vs. Bangdb vs. Coveo vs. Firebase Realtime Database

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonBangdb  Xexclude from comparisonCoveo  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparison
DescriptionJavaScript DBMS libraryConverged and high performance database for device data, events, time series, document and graphAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.
Primary database modelDocument store
Relational DBMS
Document store
Graph DBMS
Time Series DBMS
Search engineDocument store
Secondary database modelsSpatial 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
Score0.16
Rank#338  Overall
#47  Document stores
#32  Graph DBMS
#31  Time Series DBMS
Score2.11
Rank#118  Overall
#11  Search engines
Score13.64
Rank#39  Overall
#6  Document stores
Websitealasql.orgbangdb.comwww.coveo.comfirebase.google.com/­products/­realtime-database
Technical documentationgithub.com/­AlaSQL/­alasqldocs.bangdb.comdocs.coveo.comfirebase.google.com/­docs/­database
DeveloperAndrey Gershun & Mathias R. WulffSachin Sinha, BangDBCoveoGoogle infoacquired by Google 2014
Initial release2014201220122012
Current releaseBangDB 2.0, October 2021
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoBSD 3commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC, C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linuxhostedhosted
Data schemeschema-freeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-free
Typing infopredefined data types such as float or datenoyes: string, long, double, int, geospatial, stream, eventsyesyes
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 indexesnoyes infosecondary, composite, nested, reverse, geospatialyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL like support with command line toolnono
APIs and other access methodsJavaScript APIProprietary protocol
RESTful HTTP API
RESTful HTTP APIAndroid
iOS
JavaScript API
RESTful HTTP API
Supported programming languagesJavaScriptC
C#
C++
Java
Python
C#
Java
JavaScript
Python
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresnononolimited functionality with using 'rules'
Triggersyesyes, Notifications (with Streaming only)yesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding (enterprise version only). P2P based virtual network overlay with consistent hashing and chord algorithmyes
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor, Knob for CAP (enterprise version only)yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneTunable consistency, set CAP knob accordinglyImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDyesyes
Concurrency infoSupport for concurrent manipulation of datayes, optimistic concurrency controlyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes, implements WAL (Write ahead log) as wellyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes, run db with in-memory only mode
User concepts infoAccess controlnoyes (enterprise version only)granular access controls, API key management, content filtersyes, based on authentication and database rules

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More resources
AlaSQLBangdbCoveoFirebase Realtime Database
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