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DBMS > HarperDB

HarperDB System Properties

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Editorial information provided by DB-Engines
NameHarperDB
DescriptionA DBMS for IoT projects, analytical and transactional use cases , runnable on IoT devices and in the cloud, in distributed and replicated environments
Primary database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.21
Rank#268  Overall
#36  Document stores
Websitewww.harperdb.io
Technical documentationdocs.harperdb.io
DeveloperHarperDB
Initial release2017
License infoCommercial or Open Sourcecommercial infofree community edition available
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageNode.js
Server operating systemsLinux
OS X
Data schemedynamic schema
Typing infopredefined data types such as float or dateyes infoJSON data types
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
Secondary indexesyes
SQL infoSupport of SQLSQL-like data manipulation statements
APIs and other access methodsJDBC
ODBC
RESTful HTTP/JSON API
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a cluster
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be defined
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operations
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes, using LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users and roles

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More resources
HarperDB
Recent citations in the news

/C O R R E C T I O N -- HarperDB/
1 July 2020, Yahoo Finance

HarperDB and Dianomic Systems Collaborate to Enhance Edge Industrial Solutions
1 July 2020, PRNewswire

HarperDB Releases HarperDB Cloud
22 April 2020, PRNewswire

HarperDB Cloud: The Database-as-a-Service for developers looking to build apps fast and cut costs
24 April 2020, Help Net Security

HarperDB Releases A Fully Managed & Hosted Cloud Offering
23 April 2020, Analytics India Magazine

provided by Google News




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