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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. IBM Cloudant vs. MaxDB vs. Oracle Rdb

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. IBM Cloudant vs. MaxDB vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumDatabase as a Service offering based on Apache CouchDBA robust and reliable RDBMS optimized to run all major SAP solutions
Primary database modelRelational DBMSDocument storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.79
Rank#213  Overall
#101  Relational DBMS
Score2.85
Rank#95  Overall
#18  Document stores
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score1.04
Rank#184  Overall
#84  Relational DBMS
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.ibm.com/­products/­cloudantmaxdb.sap.comwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewcloud.ibm.com/­docs/­Cloudantmaxdb.sap.com/­documentationwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014SAP, acquired from Software AG (Adabas-D) in 1997Oracle, originally developed by Digital Equipment Corporation (DEC)
Initial release2016201019841984
Current release7.9.10.12, February 20247.4.1.1, 2021
License infoCommercial or Open Sourcecommercialcommercialcommercial infoLimited community edition freecommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++
Server operating systemshostedhostedAIX
HP-UX
Linux
Solaris
Windows
HP Open VMS
Data schemeyesschema-freeyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesnoyesyes
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.yesnonono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoyesyes
APIs and other access methodsJDBC
ODBC
RESTful HTTP/JSON APIADO.NET
JDBC
ODBC
WebDAV
Supported programming languagesC
Java
Perl
Python
R
C#
Java
JavaScript
Objective-C
PHP
Ruby
.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresyesView functions (Map-Reduce) in JavaScriptyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleACIDyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyesyes
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.nononono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per databasefine grained access rights according to SQL-standard

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More resources
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBIBM CloudantMaxDB infoformerly named Adabas-DOracle Rdb
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