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DBMS > atoti vs. Oracle Coherence vs. Quasardb vs. SiteWhere vs. VoltDB

System Properties Comparison atoti vs. Oracle Coherence vs. Quasardb vs. SiteWhere vs. VoltDB

Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonSiteWhere  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Oracles in-memory data grid solutionDistributed, high-performance timeseries databaseM2M integration platform for persisting/querying time series dataDistributed 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 modelObject oriented DBMSKey-value storeTime Series DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.45
Rank#253  Overall
#13  Object oriented DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Score1.38
Rank#156  Overall
#72  Relational DBMS
Websiteatoti.iowww.oracle.com/­java/­coherencequasar.aigithub.com/­sitewhere/­sitewherewww.voltdb.com
Technical documentationdocs.atoti.iodocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­mastersitewhere1.sitewhere.io/­index.htmldocs.voltdb.com
DeveloperActiveViamOraclequasardbSiteWhereVoltDB Inc.
Initial release2007200920102010
Current release14.1, August 20233.14.1, January 202411.3, April 2022
License infoCommercial or Open Sourcecommercial infofree versions availablecommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoCommon Public Attribution License Version 1.0Open Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaC++JavaJava, C++
Server operating systemsAll OS with a Java VMBSD
Linux
OS X
Windows
Linux
OS X
Windows
Linux
OS X infofor development
Data schemeschema-freeschema-freepredefined schemeyes
Typing infopredefined data types such as float or dateyesyes infointeger and binaryyesyes
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
Secondary indexesnoyes infowith tagsnoyes
SQL infoSupport of SQLMultidimensional Expressions (MDX)noSQL-like query languagenoyes infoonly a subset of SQL 99
APIs and other access methodsJCache
JPA
RESTful HTTP API
HTTP APIHTTP RESTJava API
JDBC
RESTful HTTP/JSON API
Supported programming languages.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresPythonnonoJava
Triggersyes infoLive Eventsnono
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingSharding infoconsistent hashingSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replication with selectable replication factorselectable replication factor infobased on HBaseMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataconfigurableACIDnoACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyes infooptionallyyes infoby using LevelDByesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTransient modeno
User concepts infoAccess controlauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailUsers with fine-grained authorization conceptUsers and roles with access to stored procedures

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More resources
atotiOracle CoherenceQuasardbSiteWhereVoltDB
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