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DBMS > HarperDB vs. ObjectBox vs. RRDtool vs. TerminusDB

System Properties Comparison HarperDB vs. ObjectBox vs. RRDtool vs. TerminusDB

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Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonObjectBox  Xexclude from comparisonRRDtool  Xexclude from comparisonTerminusDB infoformer name was DataChemist  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.Extremely fast embedded database for small devices, IoT and MobileIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelDocument storeObject oriented DBMSTime Series DBMSGraph DBMS
Secondary database modelsTime Series DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#244  Overall
#38  Document stores
Score1.29
Rank#166  Overall
#5  Object oriented DBMS
Score1.90
Rank#132  Overall
#11  Time Series DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websitewww.harperdb.ioobjectbox.iooss.oetiker.ch/­rrdtoolterminusdb.com
Technical documentationdocs.harperdb.io/­docsdocs.objectbox.iooss.oetiker.ch/­rrdtool/­docterminusdb.github.io/­terminusdb/­#
DeveloperHarperDBObjectBox LimitedTobias OetikerDataChemist Ltd.
Initial release2017201719992018
Current release3.1, August 20211.8.0, 202211.0.0, January 2023
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoApache License 2.0Open Source infoGPL V2 and FLOSSOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageNode.jsC and C++C infoImplementations in Java (e.g. RRD4J) and C# availableProlog, Rust
Server operating systemsLinux
OS X
Android
iOS
Linux
macOS
Windows
HP-UX
Linux
Linux
Data schemedynamic schemayesyesyes
Typing infopredefined data types such as float or dateyes infoJSON data typesyesNumeric data onlyyes
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.nonono infoExporting into and restoring from XML files possibleno
Secondary indexesyesyesno
SQL infoSupport of SQLSQL-like data manipulation statementsnonoSQL-like query language (WOQL)
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
Proprietary native APIin-process shared library
Pipes
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
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
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
JavaScript
Python
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1nonoyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusternonenoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedonline/offline synchronization between client and servernoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemonyes
Durability infoSupport for making data persistentyes, using LMDByesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights for users and rolesyesnoRole-based access control
More information provided by the system vendor
HarperDBObjectBoxRRDtoolTerminusDB infoformer name was DataChemist
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