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DBMS > IBM Cloudant vs. IBM Db2 warehouse vs. OpenTenBase vs. RocksDB

System Properties Comparison IBM Cloudant vs. IBM Db2 warehouse vs. OpenTenBase vs. RocksDB

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOpenTenBase  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBCloud-based data warehousing serviceAn enterprise-level distributed HTAP open source database based on PostgreSQLEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelDocument storeRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.85
Rank#95  Overall
#18  Document stores
Score1.26
Rank#162  Overall
#73  Relational DBMS
Score0.00
Rank#385  Overall
#159  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Websitewww.ibm.com/­products/­cloudantwww.ibm.com/­products/­db2/­warehousegithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
rocksdb.org
Technical documentationcloud.ibm.com/­docs/­Cloudantdocs.opentenbase.org
docs.opentenbase.org/­en
github.com/­facebook/­rocksdb/­wiki
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014IBMOpenAtom Foundation, previously TencentFacebook, Inc.
Initial release201020142013
Current release2.5, January 20249.4.0, June 2024
License infoCommercial or Open SourcecommercialcommercialOpen Source infoBSD-3Open Source infoBSD
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 systemshostedhostedLinuxLinux
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesno
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 infoImport/export of XML data possibleno
Secondary indexesyesyesyesno
SQL infoSupport of SQLnoyesyesno
APIs and other access methodsRESTful HTTP/JSON API.NET Client API
JDBC
ODBC
OLE DB
C++ API
Java API
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
Go
Java
PHP
Python
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptPL/SQL, SQL PLno
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yesyesyes
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 integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleACIDACIDyes
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyesyes
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.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per databasefine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardno

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More resources
IBM CloudantIBM Db2 warehouse infoformerly named IBM dashDBOpenTenBaseRocksDB
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