DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > HarperDB vs. Oracle Coherence vs. Quasardb

System Properties Comparison HarperDB vs. Oracle Coherence vs. Quasardb

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionA distributed database focused on speed and ease of use. It has an intuitive REST API, and supports NoSQL and SQL including joins. HarperDB leverages standard interfaces, and users can be up and running in minutes.Oracles in-memory data grid solutionDistributed, high-performance timeseries database
Primary database modelDocument storeKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.77
Rank#198  Overall
#31  Document stores
Score2.59
Rank#108  Overall
#21  Key-value stores
Score0.19
Rank#288  Overall
#23  Time Series DBMS
Websiteharperdb.iowww.oracle.com/­middleware/­technologies/­coherence.htmlquasardb.net
Technical documentationharperdb.io/­developers/­documentation/­overviewdocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasardb.net
DeveloperHarperDBOraclequasardb
Initial release201720072009
Current release3.1, August 202112c, September 20163.1, January 2019
License infoCommercial or Open Sourcecommercial infofree community edition availablecommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
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.
HarperDB Cloud: Get To Market Faster, For Less Money Using Our Built-in API.
Implementation languageNode.jsJavaC++
Server operating systemsLinux
OS X
All OS with a Java VMBSD
Linux
OS X
Windows
Data schemedynamic schemaschema-freeschema-free
Typing infopredefined data types such as float or dateyes infoJSON data typesyesyes infointeger and binary
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 indexesyesnoyes infowith tags
SQL infoSupport of SQLSQL-like data manipulation statementsnoSQL-like query language
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
JCache
JPA
RESTful HTTP API
HTTP API
Supported programming languages.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
.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1nono
Triggersnoyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusterShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedyes, with selectable consistency levelSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes, using LMDByes infooptionallyyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTransient mode
User concepts infoAccess controlAccess rights for users and rolesauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trail
More information provided by the system vendor
HarperDBOracle CoherenceQuasardb
Specific characteristicsHarperDB is the first distributed database with hybrid SQL & NoSQL functionality...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
» more
Competitive advantagesBy combining the functionality of the best SQL, NoSQL, and NewSQL products on the...
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariosUse cases where HarperDB is a better fit than other solutions include: Rapid app...
» more
Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersA few highlighted customers include: US Army, US Airforce, Chelan PUD, TATA, & Lumen....
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metrics6,800 + npm downloads 1,600 + on Docker Hub 2,600 + cloud & local signups
» more
Has been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsHarperDB follows a freemium/premium model . A database is only as powerful as it...
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
HarperDBOracle CoherenceQuasardb
Recent citations in the news

Build a Hacker News Clone using React and HarperDB
19 October 2021, SitePoint

HarperDB Announces New Custom Functions Feature
21 September 2021, EIN News

JAMstack Radio | Ep. #85, Data Replication at Speed with Jaxon Repp of HarperDB
19 August 2021, heavybit.com

The Week 7 Victory Formation | County | mainstreetpreps.com
30 September 2021, Main Street Preps

HarperDB: An underdog SQL / NoSQL database
7 February 2018, ZDNet

provided by Google News

Coherence Community Edition Now Available
1 July 2020, Database Trends and Applications

Oracle Unveils Unified Container Deployment and Management Platform
3 August 2021, Container Journal

Oracle launches 5G Converged Charging System
12 February 2021, Capacity Media

Micro Focus International : Announces New Solutions for Core Business System Modernization
14 September 2021, Marketscreener.com

Oracle introduces new 5G charging system
10 February 2021, Light Reading

provided by Google News

Time Series Databases Software Market CAGR, Volume and Value 2021-2028 – Radford University Athletics
17 October 2021, Radford University Athletics

Time Series Databases Software Market Statistics by Industry Dynamics & SWOT Analysis | Axibase Time Series Database, Prometheus, Amazon Timestream, Warp 10, InfluxDB, etc – Puck77
19 October 2021, Puck77

Real-time analytics database startup Imply raises $70M in Series C funding
16 June 2021, SiliconANGLE News

Amazon Timestream time series database generally available
2 October 2020, TechTarget

Gartner Names Three 2020 Cool Vendors in Data Management
30 October 2020, Solutions Review

provided by Google News

Job opportunities

Engineering Sr Manager Specialty - Rates Pricing
Wells Fargo, Charlotte, NC

Engineering Sr Manager Specialty - Rates Pricing
Wells Fargo, New York, NY

ODI Systems and Data Engineer
Raymond James Financial, Saint Petersburg, FL

Senior Lead Infrastructure Engineer
S&P Global, Hightstown, NJ

JPC - 443 - Server Side Java Developer
Promantis Inc, Charlotte, NC

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Present your product here