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DBMS > 4D vs. HarperDB

System Properties Comparison 4D vs. HarperDB

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Our visitors often compare 4D and HarperDB with MongoDB, Firebase Realtime Database and MySQL.

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonHarperDB  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemA DBMS for IoT projects, analytical and transactional use cases , runnable on IoT devices and in the cloud, in distributed and replicated environments
Primary database modelRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.77
Rank#107  Overall
#53  Relational DBMS
Score0.41
Rank#246  Overall
#36  Document stores
Websitewww.4d.comharperdb.io
Technical documentationlivedoc.4d.comdocs.harperdb.io
Developer4D, IncHarperDB
Initial release19842017
Current releasev18.1, March 2020
License infoCommercial or Open Sourcecommercialcommercial infofree community edition available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageNode.js
Server operating systemsOS X
Windows
Linux
OS X
Data schemeyesdynamic schema
Typing infopredefined data types such as float or dateyesyes 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.yesno
Secondary indexesyesyes
SQL infoSupport of SQLyes infoclose to SQL 92SQL-like data manipulation statements
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
RESTful HTTP/JSON API
Supported programming languages4D proprietary IDE
PHP
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneA table resides as a whole on one (or more) nodes in a cluster
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyes infothe nodes on which a table resides can be defined
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of specific operations
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes, using LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlUsers and groupsAccess rights for users and roles

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More resources
4D infoformer name: 4th DimensionHarperDB
DB-Engines blog posts

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

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Recent citations in the news

HarperDB Releases HarperDB Cloud
22 April 2020, PRNewswire

HarperDB: It’s all about the (open) DBaaS
20 July 2020, ComputerWeekly.com

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

provided by Google News

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