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DBMS > HarperDB vs. Oracle Rdb

System Properties Comparison HarperDB vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.
Primary database modelDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.69
Rank#241  Overall
#38  Document stores
Score1.42
Rank#176  Overall
#82  Relational DBMS
Websiteharperdb.iowww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationharperdb.io/­developers/­documentation/­overviewwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperHarperDBOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release20171984
Current release3.1, August 20217.4.1.1, 2021
License infoCommercial or Open Sourcecommercial infofree community edition availablecommercial
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 systemsLinux
OS X
HP Open VMS
Data schemedynamic schemaFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyes infoJSON data typesyes
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.nono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like data manipulation statementsyes
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
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
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1
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 methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes, using LMDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users and roles

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More resources
HarperDBOracle Rdb
Recent citations in the news

Meet HarperDB, Winner of the Startups of the Year in Denver
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HarperDB: An underdog SQL / NoSQL database | ZDNET
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