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DBMS > MaxDB vs. Microsoft Azure AI Search vs. XTDB vs. Yaacomo

System Properties Comparison MaxDB vs. Microsoft Azure AI Search vs. XTDB vs. Yaacomo

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Editorial information provided by DB-Engines
NameMaxDB infoformerly named Adabas-D  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionA robust and reliable RDBMS optimized to run all major SAP solutionsSearch-as-a-service for web and mobile app developmentA general purpose database with bitemporal SQL and Datalog and graph queriesOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelRelational DBMSSearch engineDocument storeRelational DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score5.75
Rank#58  Overall
#7  Search engines
Score0.13
Rank#330  Overall
#45  Document stores
Websitemaxdb.sap.comazure.microsoft.com/­en-us/­services/­searchgithub.com/­xtdb/­xtdb
www.xtdb.com
yaacomo.com
Technical documentationmaxdb.sap.com/­documentationlearn.microsoft.com/­en-us/­azure/­searchwww.xtdb.com/­docs
DeveloperSAP, acquired from Software AG (Adabas-D) in 1997MicrosoftJuxt Ltd.Q2WEB GmbH
Initial release1984201520192009
Current release7.9.10.12, February 2024V11.19, September 2021
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercialOpen Source infoMIT Licensecommercial
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 languageC++Clojure
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
hostedAll OS with a Java 8 (and higher) VM
Linux
Android
Linux
Windows
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes, extensible-data-notation formatyes
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 SQLyesnolimited SQL, making use of Apache Calciteyes
APIs and other access methodsADO.NET
JDBC
ODBC
WebDAV
RESTful HTTP APIHTTP REST
JDBC
JDBC
ODBC
Supported programming languages.Net
C#
Java
Perl
PHP
Python
C#
Java
JavaScript
Python
Clojure
Java
Server-side scripts infoStored proceduresyesnono
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud servicenonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoImplicit feature of the cloud serviceyes, each node contains all dataSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDByes
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-standardyes infousing Azure authenticationfine grained access rights according to SQL-standard

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More resources
MaxDB infoformerly named Adabas-DMicrosoft Azure AI SearchXTDB infoformerly named CruxYaacomo
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