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DBMS > Coveo vs. H2GIS vs. Hazelcast vs. Oracle Coherence

System Properties Comparison Coveo vs. H2GIS vs. Hazelcast vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonH2GIS  Xexclude from comparisonHazelcast  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentSpatial extension of H2A widely adopted in-memory data gridOracles in-memory data grid solution
Primary database modelSearch engineSpatial DBMSKey-value storeKey-value store
Secondary database modelsRelational DBMSDocument store infoJSON support with IMDG 3.12
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.28
Rank#114  Overall
#11  Search engines
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score5.97
Rank#57  Overall
#6  Key-value stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Websitewww.coveo.comwww.h2gis.orghazelcast.comwww.oracle.com/­java/­coherence
Technical documentationdocs.coveo.comwww.h2gis.org/­docs/­homehazelcast.org/­imdg/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperCoveoCNRSHazelcastOracle
Initial release2012201320082007
Current release5.3.6, November 202314.1, August 2023
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0Open Source infoApache Version 2; commercial licenses availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaJava
Server operating systemshostedAll OS with a Java VMAll OS with a Java VM
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesschema-freeschema-free
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.nonoyes infothe object must implement a serialization strategyno
Secondary indexesyesyesyesno
SQL infoSupport of SQLnoyesSQL-like query languageno
APIs and other access methodsRESTful HTTP APIJCache
JPA
Memcached protocol
RESTful HTTP API
JCache
JPA
RESTful HTTP API
Supported programming languagesC#
Java
JavaScript
Python
Java.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresnoyes infobased on H2yes infoEvent Listeners, Executor Servicesno
Triggersyesyesyes infoEventsyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesyesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2yes infoReplicated Mapyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDone or two-phase-commit; repeatable reads; read commitedconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlgranular access controls, API key management, content filtersyes infobased on H2Role-based access controlauthentification to access the cache via certificates or http basic authentication

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More resources
CoveoH2GISHazelcastOracle Coherence
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