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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, runnable on each IoT device, in distributed and replicated environments
Primary database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systems
Score0.01
Rank#306  Overall
#38  Document stores
Websitewww.harperdb.io/­solution/­iot-database
Technical documentationdocs.harperdb.io
DeveloperHarperDB
Initial release2017
License infoCommercial or Open Sourcecommercial infofree community edition available
Cloud-based infoOnly available as a cloud serviceno
Implementation languageNode.js
Server operating systemsLinux
OS X
Data schemeschema-free
Typing infopredefined data types such as float or dateno
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 query language
APIs and other access methodsRESTful HTTP/JSON API
JDBC infonot with community version
ODBC infonot with community version
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 infoNo horizontal partitioning
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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights for users and roles

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More resources
HarperDB
Recent citations in the news

HarperDB Announces New Enterprise Grade Features to Tackle Complex Analytics
18 April 2018, PR Newswire (press release)

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

Will HarperDB Replace Hadoop In The Near Future?
19 February 2018, Analytics India Magazine

Industry Outlook: IoT Databases
4 April 2018, The Data Center Journal

Businesses could be overwhelmed by useless IoT data, says Yotta CTO
20 February 2018, The Internet of Business (blog)

provided by Google News




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