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DBMS > Coveo vs. GeoSpock vs. LokiJS vs. VoltDB

System Properties Comparison Coveo vs. GeoSpock vs. LokiJS vs. VoltDB

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonGeoSpock  Xexclude from comparisonLokiJS  Xexclude from comparisonVoltDB  Xexclude from comparison
GeoSpock seems to be discontinued. Therefore it will be excluded from the DB-Engines ranking.
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentSpatial and temporal data processing engine for extreme data scaleIn-memory JavaScript DBMSDistributed 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 modelSearch engineRelational DBMSDocument storeRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.14
Rank#116  Overall
#11  Search engines
Score0.44
Rank#256  Overall
#40  Document stores
Score1.38
Rank#156  Overall
#72  Relational DBMS
Websitewww.coveo.comgeospock.comgithub.com/­techfort/­LokiJSwww.voltdb.com
Technical documentationdocs.coveo.comtechfort.github.io/­LokiJSdocs.voltdb.com
DeveloperCoveoGeoSpockVoltDB Inc.
Initial release201220142010
Current release2.0, September 201911.3, April 2022
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, JavascriptJavaScriptJava, C++
Server operating systemshostedhostedserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X infofor development
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyes
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 indexesyestemporal, categoricalyes infovia viewsyes
SQL infoSupport of SQLnoANSI SQL for query only (using Presto)noyes infoonly a subset of SQL 99
APIs and other access methodsRESTful HTTP APIJDBCJavaScript APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#
Java
JavaScript
Python
JavaScriptC#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnonoView functions in JavaScriptJava
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesyesAutomatic shardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesnonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnono infoatomic operations within a single collection possibleACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlgranular access controls, API key management, content filtersAccess rights for users can be defined per tablenoUsers and roles with access to stored procedures

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More resources
CoveoGeoSpockLokiJSVoltDB
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