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DBMS > Alibaba Cloud PolarDB vs. IBM Cloudant vs. SpaceTime

System Properties Comparison Alibaba Cloud PolarDB vs. IBM Cloudant vs. SpaceTime

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Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Database as a Service offering based on Apache CouchDBSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelRelational DBMSDocument storeSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.66
Rank#235  Overall
#108  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.ibm.com/­products/­cloudantwww.mireo.com/­spacetime
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewcloud.ibm.com/­docs/­Cloudant
DeveloperAlibabaIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Mireo
Initial release20102020
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++
Server operating systemshostedhostedLinux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.yesnono
Secondary indexesyesyesno
SQL infoSupport of SQLyesnoA subset of ANSI SQL is implemented
APIs and other access methodsJDBC
ODBC
RESTful HTTP/JSON APIRESTful HTTP API
Supported programming languagesJava
Python
C#
Java
JavaScript
Objective-C
PHP
Ruby
C#
C++
Python
Server-side scripts infoStored proceduresyesView functions (Map-Reduce) in JavaScriptno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
Real-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleno
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyes
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.yesnono
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per databaseyes
More information provided by the system vendor
Alibaba Cloud PolarDBIBM CloudantSpaceTime
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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More resources
Alibaba Cloud PolarDBIBM CloudantSpaceTime
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