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

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

Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonDrizzle  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonSiteWhere  Xexclude from comparison
Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.Oracles in-memory data grid solutionDistributed, high-performance timeseries databaseM2M integration platform for persisting/querying time series data
Primary database modelObject oriented DBMSRelational DBMSKey-value storeTime Series DBMSTime Series 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
Websiteatoti.iowww.oracle.com/­java/­coherencequasar.aigithub.com/­sitewhere/­sitewhere
Technical documentationdocs.atoti.iodocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­mastersitewhere1.sitewhere.io/­index.html
DeveloperActiveViamDrizzle project, originally started by Brian AkerOraclequasardbSiteWhere
Initial release2008200720092010
Current release7.2.4, September 201214.1, August 20233.14.1, January 2024
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoGNU GPLcommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoCommon Public Attribution License Version 1.0
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 languageJavaC++JavaC++Java
Server operating systemsFreeBSD
Linux
OS X
All OS with a Java VMBSD
Linux
OS X
Windows
Linux
OS X
Windows
Data schemeyesschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesyesyes infointeger and binaryyes
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 indexesyesnoyes infowith tagsno
SQL infoSupport of SQLMultidimensional Expressions (MDX)yes infowith proprietary extensionsnoSQL-like query languageno
APIs and other access methodsJDBCJCache
JPA
RESTful HTTP API
HTTP APIHTTP REST
Supported programming languagesC
C++
Java
PHP
.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresPythonnonono
Triggersno infohooks for callbacks inside the server can be used.yes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingShardingSharding infoconsistent hashingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes, with selectable consistency levelSource-replica replication with selectable replication factorselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes infoby using LevelDByes
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 controlPluggable authentication mechanisms infoe.g. LDAP, HTTPauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailUsers with fine-grained authorization concept

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atotiDrizzleOracle CoherenceQuasardbSiteWhere
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