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DBMS > MaxDB vs. Microsoft Azure Cosmos DB vs. openGemini

System Properties Comparison MaxDB vs. Microsoft Azure Cosmos DB vs. openGemini

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Editorial information provided by DB-Engines
NameMaxDB infoformerly named Adabas-D  Xexclude from comparisonMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionA robust and reliable RDBMS optimized to run all major SAP solutionsGlobally distributed, horizontally scalable, multi-model database serviceAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelRelational DBMSDocument store
Graph DBMS
Key-value store
Wide column store
Time Series DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.16
Rank#113  Overall
#54  Relational DBMS
Score23.06
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score0.02
Rank#376  Overall
#42  Time Series DBMS
Websitemaxdb.sap.comazure.microsoft.com/­services/­cosmos-dbwww.opengemini.org
github.com/­openGemini
Technical documentationmaxdb.sap.com/­documentationlearn.microsoft.com/­azure/­cosmos-dbdocs.opengemini.org/­guide
DeveloperSAP, acquired from Software AG (Adabas-D) in 1997MicrosoftHuawei and openGemini community
Initial release198420142022
Current release7.9.10.12, February 20241.1, July 2023
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Go
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
hostedLinux
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infoJSON typesInteger, Float, Boolean, String
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.nono
Secondary indexesyesyes infoAll properties auto-indexed by defaultyes
SQL infoSupport of SQLyesSQL-like query languageSQL-like query language
APIs and other access methodsADO.NET
JDBC
ODBC
WebDAV
DocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
HTTP REST
Supported programming languages.Net
C#
Java
Perl
PHP
Python
.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresyesJavaScriptno
TriggersyesJavaScriptno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud serviceSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoImplicit feature of the cloud serviceyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*no
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDMulti-item ACID transactions with snapshot isolation within a partitionno
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.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights can be defined down to the item levelAdministrators and common users accounts

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More resources
MaxDB infoformerly named Adabas-DMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBopenGemini
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