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DBMS > AllegroGraph vs. HarperDB vs. NSDb

System Properties Comparison AllegroGraph vs. HarperDB vs. NSDb

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonHarperDB  Xexclude from comparisonNSDb  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Document storeTime Series DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.42
Rank#163  Overall
#30  Document stores
#13  Graph DBMS
#7  RDF stores
Score0.55
Rank#254  Overall
#38  Document stores
Score0.00
Rank#377  Overall
#36  Time Series DBMS
Websiteallegrograph.comharperdb.ionsdb.io
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmlharperdb.io/­developers/­documentation/­overviewnsdb.io/­Architecture
DeveloperFranz Inc.HarperDB
Initial release200420172017
Current release7.2.0, October 20213.1, August 2021
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercial infofree community edition availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageNode.jsJava, Scala
Server operating systemsLinux
OS X
Windows
Linux
OS X
Linux
macOS
Data schemeyes infoRDF schemasdynamic schema
Typing infopredefined data types such as float or dateyesyes infoJSON data typesyes: int, bigint, decimal, string
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.no infobulk load of XML files possiblenono
Secondary indexesyesyesall fields are automatically indexed
SQL infoSupport of SQLSPARQL is used as query languageSQL-like data manipulation statementsSQL-like query language
APIs and other access methodsRESTful HTTP API
SPARQL
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
gRPC
HTTP REST
WebSocket
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
Java
Scala
Server-side scripts infoStored proceduresyes infoJavaScript or Common LispCustom Functions infosince release 3.1no
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodeswith FederationA table resides as a whole on one (or more) nodes in a clusterSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes infothe nodes on which a table resides can be defined
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of specific operationsno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes, using LMDBUsing Apache Lucene
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationAccess rights for users and roles
More information provided by the system vendor
AllegroGraphHarperDBNSDb
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
HarperDB is the first distributed database with hybrid SQL & NoSQL functionality...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
By combining the functionality of the best SQL, NoSQL, and NewSQL products on the...
» more
Typical application scenariosUse cases where HarperDB is a better fit than other solutions include: Rapid app...
» more
Key customersA few highlighted customers include: US Army, US Airforce, Chelan PUD, TATA, & Lumen....
» more
Market metricsOver 94K total HarperDB users : 16,500+ npm downloads 73,600+ on Docker Hub 4,200+...
» more
Licensing and pricing modelsHarperDB follows a freemium/premium model . A data base is only as powerful as it...
» more
News

AllegroGraph Named “2022 Best Knowledge Graph” by KMWorld Readers’ Choice
9 November 2022

Using Ansible for AllegroGraph multi-server installation
7 November 2022

IEEE – Entity Event Knowledge Graph for Powerful Health Informatics
21 October 2022

Franz Inc. Named a Big Data 50 Innovator
26 September 2022

Dr. Jans Aasman, Named Keynote Speaker for SEMANTiCS Conference 2022
15 September 2022

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
AllegroGraphHarperDBNSDb
Recent citations in the news

AllegroGraph Named “Best Knowledge Graph” by KMWorld Readers’ Choice
22 November 2022, EIN News

2023 Trends in Data Modeling
17 November 2022, insideBIGDATA

Jans Aasman Articles and Insights
13 September 2021, DevOps.com

The key to quantum computing AI applications: Flexible programming languages
2 July 2022, VentureBeat

Franz Inc. Named a Big Data 50 Innovator by Database Trends
27 September 2022, EIN News

provided by Google News

Edison Interactive partners with HarperDB to deliver premier digital out-of-home content with zero latency
30 August 2022, PR Newswire

Jaxon Repp on HarperDB Distributed Database Platform
23 March 2022, InfoQ.com

How to Web Scrape Using Python, Snscrape & HarperDB
17 August 2022, hackernoon.com

Injury Report: Updates for Oklahoma State ahead of kickoff vs. West Virginia
26 November 2022, 247Sports

Injury Report: Updates for Oklahoma State ahead of Bedlam
19 November 2022, 247Sports

provided by Google News

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