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DBMS > HarperDB vs. VoltDB

System Properties Comparison HarperDB vs. VoltDB

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Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionA DBMS for IoT projects, analytical and transactional use cases , runnable on IoT devices and in the cloud, in distributed and replicated environmentsDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#262  Overall
#35  Document stores
Score1.93
Rank#125  Overall
#62  Relational DBMS
Websitewww.harperdb.iowww.voltdb.com
Technical documentationdocs.harperdb.iodocs.voltdb.com
DeveloperHarperDBVoltDB Inc.
Initial release20172010
Current release9.0, April 2019
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
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.jsJava, C++
Server operating systemsLinux
OS X
Linux
OS X infofor development
Data schemedynamic schemayes
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.no
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like data manipulation statementsyes infoonly a subset of SQL 99
APIs and other access methodsJDBC
ODBC
RESTful HTTP/JSON API
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnoJava
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusterSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyes, using LMDByes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users and rolesUsers and roles with access to stored procedures

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More resources
HarperDBVoltDB
Recent citations in the news

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

HarperDB Releases HarperDB Cloud
22 April 2020, PRNewswire

/C O R R E C T I O N -- HarperDB/
1 July 2020, Yahoo Finance

HarperDB Cloud: The Database-as-a-Service for developers looking to build apps fast and cut costs
24 April 2020, Help Net Security

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

provided by Google News

In-Memory Database Market Potential Growth, Share, Demand And Analysis Of Key Players- Analysis Forecasts To 2026
4 August 2020, Market Research Posts

VoltDB Secures $10 Million in Series C Funding to Meet Demand for 5G Data Requirements
23 October 2019, PRNewswire

Global In-Memory Database Market 2025 To Expect Maximum Benefit and Growth Potential During this COVID 19 Outbreak: Microsoft, IBM, Oracle, SAP, Teradata
4 August 2020, Bulletin Line

Global In-app Advertising Market Report 2020 – Owned
3 August 2020, Owned

RDBMS Software Market Size, Share & Trends Analysis Report By Product Types, And Applications Forecast To 2026
4 August 2020, NJ MMA News

provided by Google News




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