DB-EnginesExtremeDB Active Replication featuresEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > 4D vs. HarperDB vs. RethinkDB vs. RocksDB

System Properties Comparison 4D vs. HarperDB vs. RethinkDB vs. RocksDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonHarperDB  Xexclude from comparisonRethinkDB  Xexclude from comparisonRocksDB  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 environmentsDBMS for the Web with a mechanism to push updated query results to applications in realtime.Embeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelRelational DBMSDocument storeDocument storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.58
Rank#109  Overall
#54  Relational DBMS
Score0.48
Rank#235  Overall
#36  Document stores
Score4.17
Rank#82  Overall
#14  Document stores
Score3.43
Rank#92  Overall
#17  Key-value stores
Websitewww.4d.comharperdb.iorethinkdb.comrocksdb.org
Technical documentationlivedoc.4d.comdocs.harperdb.iorethinkdb.com/­docsgithub.com/­facebook/­rocksdb/­wiki
Developer4D, IncHarperDBThe Linux Foundation infosince July 2017Facebook, Inc.
Initial release1984201720092013
Current releasev18.1, March 20202.4.0, December 20196.14.6 , December 2020
License infoCommercial or Open Sourcecommercialcommercial infofree community edition availableOpen Source infoApache Version 2Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageNode.jsC++C++
Server operating systemsOS X
Windows
Linux
OS X
Linux
OS X
Windows
Data schemeyesdynamic schemaschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infoJSON data typesyes infostring, binary, float, bool, date, geometryno
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.yesnonono
Secondary indexesyesyesyesno
SQL infoSupport of SQLyes infoclose to SQL 92SQL-like data manipulation statementsnono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
RESTful HTTP/JSON API
C++ API
Java API
Supported programming languages4D proprietary IDE
PHP
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C++
Java
Server-side scripts infoStored proceduresyesnono
TriggersyesnoClient-side triggers through changefeedsno
Partitioning methods infoMethods for storing different data on different nodesnoneA table resides as a whole on one (or more) nodes in a clusterSharding inforange basednone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyes infothe nodes on which a table resides can be definedSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of specific operationsAtomic single-document operationsyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC basedyes
Durability infoSupport for making data persistentyesyes, using LMDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes
User concepts infoAccess controlUsers and groupsAccess rights for users and rolesyes infousers and table-level permissionsno

More information provided by the system vendor

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
4D infoformer name: 4th DimensionHarperDBRethinkDBRocksDB
DB-Engines blog posts

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

show all

Meet some database management systems you are likely to hear more about in the future
4 August 2014, Paul Andlinger

show all

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

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

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

Levyx and HarperDB Partnership Paves the Way to a Smarter IoT Edge
26 July 2019, GlobeNewswire

provided by Google News

Open Source Software Market Growth Opportunities, Share by Industry Competitors – SUSE, OpenText, Adobe, RethinkDB, Comiit, Compiere, Acquia, Astaro, Oracle, Intel, IBM, Automattic, Alfresco, Cleversafe, ClearCenter, Epson, Redpill Linpro, Canonical, Continuent, Red Hat, FOSSID, Transcend
19 January 2021, NeighborWebSJ

Global Open Source Software Market 2021 Driving Factors, New Opportunities After COVID-19, Pandemic Impact Analysis with Major Companies – Intel, Epson, IBM, Transcend, Oracle, Acquia, OpenText, Alfresco, Astaro, RethinkDB, Canonical, ClearCenter, Cleversafe, Compiere, Continuent
18 January 2021, NeighborWebSJ

Global NoSQL Databases Software Market 2021 SWOT Analysis, by Key Players: MongoDB, Amazon, ArangoDB, Azure Cosmos DB, Couchbase, MarkLogic, RethinkDB, CouchDB, SQL-RD, OrientDB, RavenDB, Redis
15 January 2021, Splash Radio Wales

Global NoSQL Software Market 2020 Set To See Future Growth till 2024: Key Contributors MongoDB, Amazon, ArangoDB, Azure Cosmos DB, Couchbase, MarkLogic, RethinkDB, CouchDB, SQL-RD, OrientDB, RavenDB, Redis, Microsoft
14 January 2021, Jumbo News

Open Source Software Market Current Trends and Future Growth Analysis by Key Players – SUSE, OpenText, Adobe, RethinkDB, Comiit, Compiere
14 January 2021, Jumbo News

provided by Google News

AMD EPYC vs. Intel Xeon Cascadelake With Facebook's RocksDB Database
17 October 2019, Phoronix

Toshiba Memory America Optimizes RocksDB for SSDs
1 August 2019, Business Wire

Micron Announces An Open-Source Storage Engine Designed For SSDs, Persistent Memory
27 April 2020, Phoronix

Toshiba Memory America Highlights TRocksDB at SNIA's 2019 Storage Developer Conference
23 September 2019, Business Wire

MariaDB Adding Support for Facebook MyRocks
9 December 2016, DZone News

provided by Google News

Job opportunities

Director, Kapwing for EDU
kapwing, San Francisco, CA

Cook/Dishwasher
4th dimension fun center, Frederick, MD

Line Cook/Prep Cook
4th dimension fun center, Frederick, MD

Full Charge Bookkeeper
4th Dimension Development, Ferndale, MI

Full-Stack Software Engineer
kapwing, San Francisco, CA

Full Stack Ruby Engineer
Showcase IDX, Georgia

Java Software Engineer (Java 11, Spring, Spring Boot, Hibernate ORM)
Zscaler, Burlington, MA

Manager, Engineering (Product Graph/ Data Team)
Narrativ, New York State

Engineer II, Software Process Engineering
Samsung Electronics, Bellevue, WA

Senior Software Development Engineer
SmarTek21, LLC, Bellevue, WA

Sr. Cloud Engineer (Remote)
CrowdStrike, United States

Cloud Solutions Engineer
Intel, Phoenix, AZ

Node.js Developer
iknowvate technologies, Chicago, IL

Software Engineer
Micron, Austin, TX

Software Development Engineer - Personalization, Recommendation and Search - Backend Services
Discovery, Bellevue, WA

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database Machine Learning. Try Vertica for free with no time limit.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

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