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DBMS > AlaSQL vs. Alibaba Cloud Log Service vs. AllegroGraph vs. CouchDB

System Properties Comparison AlaSQL vs. Alibaba Cloud Log Service vs. AllegroGraph vs. CouchDB

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAlibaba Cloud Log Service  Xexclude from comparisonAllegroGraph  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparison
DescriptionJavaScript DBMS libraryA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.High performance, persistent RDF store with additional support for Graph DBMSA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.
Primary database modelDocument store
Relational DBMS
Search engineDocument store infowith version 6.5
Graph DBMS
RDF store
Vector DBMS
Document store
Secondary database modelsSpatial DBMSSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.47
Rank#263  Overall
#18  Search engines
Score1.13
Rank#179  Overall
#30  Document stores
#17  Graph DBMS
#7  RDF stores
#9  Vector DBMS
Score8.30
Rank#47  Overall
#7  Document stores
Websitealasql.orgwww.alibabacloud.com/­product/­log-serviceallegrograph.comcouchdb.apache.org
Technical documentationgithub.com/­AlaSQL/­alasqlwww.alibabacloud.com/­help/­en/­slsfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmldocs.couchdb.org/­en/­stable
DeveloperAndrey Gershun & Mathias R. WulffAlibabaCloud Inc.Franz Inc.Apache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developer
Initial release2014201620042005
Current release8.0, December 20233.3.3, December 2023
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercialcommercial infoLimited community edition freeOpen Source infoApache version 2
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptErlang
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedLinux
OS X
Windows
Android
BSD
Linux
OS X
Solaris
Windows
Data schemeschema-freeschema-freeyes infoRDF schemasschema-free
Typing infopredefined data types such as float or datenoyesyesno
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 infobulk load of XML files possibleno
Secondary indexesnoyesyesyes infovia views
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL for queryingSPARQL is used as query languageno
APIs and other access methodsJavaScript APIHTTP RESTRESTful HTTP API
SPARQL
RESTful HTTP/JSON API
Supported programming languagesJavaScriptC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresnonoyes infoJavaScript or Common LispView functions in JavaScript
Triggersyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingwith FederationSharding infoimproved architecture with release 2.0
Replication methods infoMethods for redundantly storing data on multiple nodesnone3 replicasMulti-source replication
Source-replica replication
Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoES-Hadoop Connectornoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate Consistency or Eventual Consistency depending on configurationEventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACIDno infoatomic operations within a single document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes infostrategy: optimistic locking
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.yesnonono
User concepts infoAccess controlnoAlibaba Cloud user access controlUsers with fine-grained authorization concept, user roles and pluggable authenticationAccess rights for users can be defined per database
More information provided by the system vendor
AlaSQLAlibaba Cloud Log ServiceAllegroGraphCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
Knowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
AllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Key customers* Alibaba & Ant-Finance:he infrastructure service for the Corp * Over 22k Subscriber...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more
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