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DBMS > Coveo vs. Elasticsearch vs. ScyllaDB

System Properties Comparison Coveo vs. Elasticsearch vs. ScyllaDB

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonElasticsearch  Xexclude from comparisonScyllaDB  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricCassandra and DynamoDB compatible wide column store
Primary database modelSearch engineSearch engine
Vector DBMS
Wide column store
Secondary database modelsDocument store
Spatial DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.22
Rank#108  Overall
#11  Search engines
Score128.08
Rank#8  Overall
#1  Search engines
#1  Vector DBMS
Score3.70
Rank#70  Overall
#5  Wide column stores
Websitewww.coveo.comwww.elastic.co/­elasticsearchwww.scylladb.com
Technical documentationdocs.coveo.comwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmldocs.scylladb.com
DeveloperCoveoElasticScyllaDB
Initial release201220102015
Current release8.6, January 2023ScyllaDB Open Source 6.2.0, October 2024
License infoCommercial or Open SourcecommercialOpen Source infoElastic LicenseOpen Source infoOpen Source (AGPL), commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++
Server operating systemshostedAll OS with a Java VMLinux
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or dateyesyesyes
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 indexesyesyes infoAll search fields are automatically indexedyes infocluster global secondary indices
SQL infoSupport of SQLnoSQL-like query languageSQL-like DML and DDL statements (CQL)
APIs and other access methodsRESTful HTTP APIJava API
RESTful HTTP/JSON API
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Supported programming languagesC#
Java
JavaScript
Python
.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
Server-side scripts infoStored proceduresnoyesyes, Lua
Triggersyesyes infoby using the 'percolation' featureno
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesselectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoES-Hadoop Connectorno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnoyes infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyes infoin-memory tables
User concepts infoAccess controlgranular access controls, API key management, content filtersAccess rights for users can be defined per object

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More resources
CoveoElasticsearchScyllaDB
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Recent citations in the news

ABB Robotics Selects Coveo for Commerce to Power AI Product Discovery in its Customer Portal
24 April 2025, PR Newswire

Coveo selected by ABB Robotics to transform digital experience with AI | 2025-04-25 | Investing News
25 April 2025, Stockhouse

Coveo Announces Date of Fiscal Fourth Quarter 2025 Conference Call
24 April 2025, Financial Times

ABB Robotics Selects Coveo for Commerce to Power AI Product Discovery in its Customer Portal
24 April 2025, The Globe and Mail

Coveo Announces Date Of Fiscal Fourth Quarter 2025 Conference Call
24 April 2025, Barchart.com

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10 April 2025, Business Wire

Amazon OpenSearch Service announces Standard and Extended Support dates for Elasticsearch and OpenSearch versions
7 November 2024, Amazon Web Services

Elasticsearch will be open source again as CTO declares changed landscape
2 September 2024, devclass

Elastic Delivers Performance Gains for Users Running Elasticsearch on Google Axion Processors
10 April 2025, Yahoo Finance

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18 November 2024, The New Stack

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28 October 2024, U.S. Department of Defense (.gov)

ScyllaDB 6.0 advances open source database scalability
12 June 2024, VentureBeat

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20 March 2025, infoq.com

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