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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Immudb vs. Oracle Rdb vs. Realm

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Immudb vs. Oracle Rdb vs. Realm

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Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonImmudb  Xexclude from comparisonOracle Rdb  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRelational DBMSKey-value storeRelational DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.68
Rank#231  Overall
#105  Relational DBMS
Score0.24
Rank#305  Overall
#43  Key-value stores
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlgithub.com/­codenotary/­immudb
immudb.io
www.oracle.com/­database/­technologies/­related/­rdb.htmlrealm.io
Technical documentationwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewdocs.immudb.iowww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlrealm.io/­docs
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupCodenotaryOracle, originally developed by Digital Equipment Corporation (DEC)Realm, acquired by MongoDB in May 2019
Initial release2016202019842014
Current release1.2.3, April 20227.4.1.1, 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGo
Server operating systemshostedBSD
Linux
macOS
Solaris
Windows
z/OS
HP Open VMSAndroid
Backend: server-less
iOS
Windows
Data schemeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)yes
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.yesnonono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesSQL-like syntaxyesno
APIs and other access methodsJDBC
ODBC
gRPC protocol
PostgreSQL wire protocol
Supported programming languagesC
Java
Perl
Python
R
.Net
Go
Java
JavaScript (Node.js)
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyesnono inforuns within the applications so server-side scripts are unnecessary
Triggersyesnoyes infoChange Listeners
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 servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.nononoyes infoIn-Memory realm
User concepts infoAccess controlfine grained access rights according to SQL-standardyes

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Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBImmudbOracle RdbRealm
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