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DBMS > Coveo vs. PouchDB vs. searchxml vs. SiteWhere

System Properties Comparison Coveo vs. PouchDB vs. searchxml vs. SiteWhere

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonPouchDB  Xexclude from comparisonsearchxml  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentJavaScript DBMS with an API inspired by CouchDBDBMS for structured and unstructured content wrapped with an application serverM2M integration platform for persisting/querying time series data
Primary database modelSearch engineDocument storeNative XML DBMS
Search engine
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.11
Rank#118  Overall
#11  Search engines
Score2.34
Rank#112  Overall
#21  Document stores
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitewww.coveo.compouchdb.comwww.searchxml.net/­category/­productsgithub.com/­sitewhere/­sitewhere
Technical documentationdocs.coveo.compouchdb.com/­guideswww.searchxml.net/­support/­handoutssitewhere1.sitewhere.io/­index.html
DeveloperCoveoApache Software Foundationinformationpartners gmbhSiteWhere
Initial release2012201220152010
Current release7.1.1, June 20191.0
License infoCommercial or Open SourcecommercialOpen SourcecommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC++Java
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)WindowsLinux
OS X
Windows
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesnoyesyes
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.nonoyesno
Secondary indexesyesyes infovia viewsyesno
SQL infoSupport of SQLnononono
APIs and other access methodsRESTful HTTP APIHTTP REST infoonly for PouchDB Server
JavaScript API
RESTful HTTP API
WebDAV
XQuery
XSLT
HTTP REST
Supported programming languagesC#
Java
JavaScript
Python
JavaScriptC++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresnoView functions in JavaScriptyes infoon the application server
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesyesSharding infowith a proxy-based framework, named couchdb-loungenoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
yes infosychronisation to multiple collectionsselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnomultiple readers, single writerno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlgranular access controls, API key management, content filtersnoDomain, group and role-based access control at the document level and for application servicesUsers with fine-grained authorization concept

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More resources
CoveoPouchDBsearchxmlSiteWhere
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