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DBMS > IBM Cloudant vs. LeanXcale vs. openGemini

System Properties Comparison IBM Cloudant vs. LeanXcale vs. openGemini

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonLeanXcale  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelDocument storeKey-value store
Relational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.75
Rank#104  Overall
#19  Document stores
Score0.36
Rank#280  Overall
#40  Key-value stores
#129  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websitewww.ibm.com/­products/­cloudantwww.leanxcale.comwww.opengemini.org
github.com/­openGemini
Technical documentationcloud.ibm.com/­docs/­Cloudantdocs.opengemini.org/­guide
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014LeanXcaleHuawei and openGemini community
Initial release201020152022
Current release1.1, July 2023
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangGo
Server operating systemshostedLinux
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoInteger, 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
SQL infoSupport of SQLnoyes infothrough Apache DerbySQL-like query language
APIs and other access methodsRESTful HTTP/JSON APIJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
HTTP REST
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
C
Java
Scala
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyes
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.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per databaseAdministrators and common users accounts

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More resources
IBM CloudantLeanXcaleopenGemini
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