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DBMS > Apache Doris vs. Coveo vs. EsgynDB vs. VelocityDB

System Properties Comparison Apache Doris vs. Coveo vs. EsgynDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameApache Doris  Xexclude from comparisonCoveo  Xexclude from comparisonEsgynDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAn MPP-based analytics DBMS embracing the MySQL protocolAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentEnterprise-class SQL-on-Hadoop solution, powered by Apache TrafodionA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSSearch engineRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#247  Overall
#113  Relational DBMS
Score2.11
Rank#118  Overall
#11  Search engines
Score0.25
Rank#312  Overall
#138  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Websitedoris.apache.org
github.com/­apache/­doris
www.coveo.comwww.esgyn.cnvelocitydb.com
Technical documentationgithub.com/­apache/­doris/­wikidocs.coveo.comvelocitydb.com/­UserGuide
DeveloperApache Software Foundation, originally contributed from BaiduCoveoEsgynVelocityDB Inc
Initial release2017201220152011
Current release1.2.2, February 20237.x
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++, JavaC#
Server operating systemsLinuxhostedLinuxAny that supports .NET
Data schemeyeshybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesyes
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.nononono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoyesno
APIs and other access methodsJDBC
MySQL client
RESTful HTTP APIADO.NET
JDBC
ODBC
.Net
Supported programming languagesJavaC#
Java
JavaScript
Python
All languages supporting JDBC/ODBC/ADO.Net.Net
Server-side scripts infoStored proceduresuser defined functionsnoJava Stored Proceduresno
TriggersnoyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningyesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesMulti-source replication between multi datacenters
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardgranular access controls, API key management, content filtersfine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
Apache DorisCoveoEsgynDBVelocityDB
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