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DBMS > Citus vs. Coveo vs. MaxDB

System Properties Comparison Citus vs. Coveo vs. MaxDB

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Editorial information provided by DB-Engines
NameCitus  Xexclude from comparisonCoveo  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparison
DescriptionScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentA robust and reliable RDBMS optimized to run all major SAP solutions
Primary database modelRelational DBMSSearch engineRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.94
Rank#119  Overall
#57  Relational DBMS
Score2.27
Rank#108  Overall
#11  Search engines
Score1.95
Rank#117  Overall
#55  Relational DBMS
Websitewww.citusdata.comwww.coveo.commaxdb.sap.com
Technical documentationdocs.citusdata.comdocs.coveo.commaxdb.sap.com/­documentation
DeveloperCoveoSAP, acquired from Software AG (Adabas-D) in 1997
Initial release201020121984
Current release8.1, December 20187.9.10.12, February 2024
License infoCommercial or Open SourceOpen Source infoAGPL, commercial license also availablecommercialcommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++
Server operating systemsLinuxhostedAIX
HP-UX
Linux
Solaris
Windows
Data schemeyeshybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyes
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.yes infospecific XML type available, but no XML query functionalitynono
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infostandard, with numerous extensionsnoyes
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
RESTful HTTP APIADO.NET
JDBC
ODBC
WebDAV
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C#
Java
JavaScript
Python
.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.noyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesACID
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.nono
User concepts infoAccess controlfine grained access rights according to SQL-standardgranular access controls, API key management, content filtersfine grained access rights according to SQL-standard

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More resources
CitusCoveoMaxDB infoformerly named Adabas-D
Recent citations in the news

Microsoft acquires Citus Data, re-affirming its commitment to Open Source and accelerating Azure PostgreSQL performance and scale
24 January 2019, Microsoft

Microsoft acquires Citus Data, creators of a cloud-friendly version of the PostgreSQL database
24 January 2019, GeekWire

Microsoft acquires Citus Data
24 January 2019, TechCrunch

Citus Data Announces Citus Cloud Database Support for HIPAA and SOC 2 Type 2 Compliance
13 November 2018, Business Wire

Microsoft acquires another open-source company, Citus Data
24 January 2019, CNBC

provided by Google News

Coveo Reports Third Quarter Fiscal 2025 Financial Results
10 February 2025, PR Newswire

Most Consumers Embrace Gen AI Purchase Guidance: Coveo
18 March 2025, CDP Institute

Coveo Solutions Stock Surges Amid Strong Q3 Results
17 March 2025, TipRanks

Public market insider buying at Coveo Solutions (CVO)
17 March 2025, The Globe and Mail

Private equity firms are Coveo Solutions Inc.'s (TSE:CVO) biggest owners and were hit after market cap dropped CA$125m
11 March 2025, Yahoo Finance

provided by Google News

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30 December 2020, AWS Blog

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19 February 2020, SAP News

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10 September 2024, Blocks and Files

SAP revamps its main Business Suite to run on in-memory HANA
4 February 2015, SiliconANGLE News

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17 July 2023, AWS Blog

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