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DBMS > IBM Cloudant vs. Kingbase vs. LevelDB

System Properties Comparison IBM Cloudant vs. Kingbase vs. LevelDB

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonKingbase  Xexclude from comparisonLevelDB  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBAn enterprise-class RDBMS compatible with PostgreSQL and Oracle and widely used in China.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string values
Primary database modelDocument storeRelational DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.35
Rank#94  Overall
#16  Document stores
Score0.76
Rank#241  Overall
#114  Relational DBMS
Score3.55
Rank#99  Overall
#18  Key-value stores
Websitewww.ibm.com/­cloud/­cloudantwww.kingbase.com.cngithub.com/­google/­leveldb
Technical documentationcloud.ibm.com/­docs/­Cloudantbbs.kingbase.com.cn/­chess_wenku-index.htmlgithub.com/­google/­leveldb/­blob/­master/­doc/­index.md
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014BeiJing KINGBASE Information technologies inc.Google
Initial release201019992011
Current releaseV8.0, August 20211.23, February 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoBSD
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 languageErlangC and JavaC++
Server operating systemshostedLinux
Windows
Illumos
Linux
OS X
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesno
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.noyesno
Secondary indexesyesyesno
SQL infoSupport of SQLnoStandard with numerous extensionsno
APIs and other access methodsRESTful HTTP/JSON APIADO.NET
gokb
JDBC
kdbndp
ODBC
PDI
PDO
Pro*C
psycopg2
QT
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
.Net
C
C++
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptuser defined functionsno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning (by range, list and hash) and vertical partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate 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 infowith automatic compression on writes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights for users can be defined per databasefine grained access rights according to SQL-standardno
More information provided by the system vendor
IBM CloudantKingbaseLevelDB
Specific characteristicsAn enterprise-class RDBMS compatible with PostgreSQL and Oracle. It has the following...
» more
Competitive advantagesComplete database management platform with Integrated Development Environment Tool,...
» more
Typical application scenariosNew applications for transactional and mixed workloads that need to integrate with...
» more
Key customersThe main customers are: China National Petroleum Corporation China Petrochemical...
» more
Market metricsAt present, the main market is in China, but expansion to the international market...
» more
Licensing and pricing modelsBusiness license. Various sales modes: for example, sales by set, sales by CPU quantity,...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
IBM CloudantKingbaseLevelDB
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