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DBMS > Alibaba Cloud PolarDB vs. BigchainDB vs. EXASOL vs. KairosDB vs. ToroDB

System Properties Comparison Alibaba Cloud PolarDB vs. BigchainDB vs. EXASOL vs. KairosDB vs. ToroDB

Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonBigchainDB  Xexclude from comparisonEXASOL  Xexclude from comparisonKairosDB  Xexclude from comparisonToroDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.BigchainDB is scalable blockchain database offering decentralization, immutability and native assetsHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Distributed Time Series DBMS based on Cassandra or H2A MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelRelational DBMSDocument storeRelational DBMSTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.59
Rank#241  Overall
#110  Relational DBMS
Score0.79
Rank#212  Overall
#36  Document stores
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.bigchaindb.comwww.exasol.comgithub.com/­kairosdb/­kairosdbgithub.com/­torodb/­server
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewbigchaindb.readthedocs.io/­en/­latestwww.exasol.com/­resourceskairosdb.github.io
DeveloperAlibabaExasol8Kdata
Initial release2016200020132016
Current release1.2.2, November 2018
License infoCommercial or Open SourcecommercialOpen Source infoAGPL v3commercialOpen Source infoApache 2.0Open Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePythonJavaJava
Server operating systemshostedLinuxLinux
OS X
Windows
All OS with a Java 7 VM
Data schemeyesschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesyesyes infostring, integer, double, boolean, date, object_id
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.yesnononono
Secondary indexesyesyesno
SQL infoSupport of SQLyesnoyesno
APIs and other access methodsJDBC
ODBC
CLI Client
RESTful HTTP API
.Net
JDBC
ODBC
WebSocket
Graphite protocol
HTTP REST
Telnet API
Supported programming languagesJava
Python
Go
Haskell
Java
JavaScript
Python
Ruby
Java
Lua
Python
R
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresyesuser defined functionsno
Triggersyesyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingShardingSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceselectable replication factorselectable replication factor infobased on CassandraSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes,with MongoDB ord RethinkDByesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardyesAccess rights for users, groups and roles according to SQL-standardsimple password-based access controlAccess rights for users and roles
More information provided by the system vendor
Alibaba Cloud PolarDBBigchainDBEXASOLKairosDBToroDB
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 PolarDBBigchainDBEXASOLKairosDBToroDB
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