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DBMS > Drizzle vs. EXASOL vs. Oracle Coherence vs. SiteWhere

System Properties Comparison Drizzle vs. EXASOL vs. Oracle Coherence vs. SiteWhere

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Editorial information provided by DB-Engines
NameDrizzle  Xexclude from comparisonEXASOL  Xexclude from comparisonOracle Coherence  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.
DescriptionMySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.High-performance, in-memory, MPP database specifically designed for in-memory analytics.Oracles in-memory data grid solutionM2M integration platform for persisting/querying time series data
Primary database modelRelational DBMSRelational DBMSKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Websitewww.exasol.comwww.oracle.com/­java/­coherencegithub.com/­sitewhere/­sitewhere
Technical documentationwww.exasol.com/­resourcesdocs.oracle.com/­en/­middleware/­standalone/­coherencesitewhere1.sitewhere.io/­index.html
DeveloperDrizzle project, originally started by Brian AkerExasolOracleSiteWhere
Initial release2008200020072010
Current release7.2.4, September 201214.1, August 2023
License infoCommercial or Open SourceOpen Source infoGNU GPLcommercialcommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaJava
Server operating systemsFreeBSD
Linux
OS X
All OS with a Java VMLinux
OS X
Windows
Data schemeyesyesschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesyesnono
SQL infoSupport of SQLyes infowith proprietary extensionsyesnono
APIs and other access methodsJDBC.Net
JDBC
ODBC
WebSocket
JCache
JPA
RESTful HTTP API
HTTP REST
Supported programming languagesC
C++
Java
PHP
Java
Lua
Python
R
.Net
C++
Java
Server-side scripts infoStored proceduresnouser defined functionsno
Triggersno infohooks for callbacks inside the server can be used.yesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes, with selectable consistency levelselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlPluggable authentication mechanisms infoe.g. LDAP, HTTPAccess rights for users, groups and roles according to SQL-standardauthentification to access the cache via certificates or http basic authenticationUsers with fine-grained authorization concept

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More resources
DrizzleEXASOLOracle CoherenceSiteWhere
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