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DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. BigObject vs. CrateDB vs. EventStoreDB

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. BigObject vs. CrateDB vs. EventStoreDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud ApsaraDB for PolarDB  Xexclude from comparisonBigObject  Xexclude from comparisonCrateDB  Xexclude from comparisonEventStoreDB  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Analytic DBMS for real-time computations and queriesDistributed Date Store based on LuceneIndustrial-strength, open-source database solution built from the ground up for event sourcing.
Primary database modelRelational DBMSRelational DBMS infoa hierachical model (tree) can be imposedRelational DBMS
Search engine
Event Store
Secondary database modelsDocument store
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.52
Rank#237  Overall
#113  Relational DBMS
Score0.05
Rank#329  Overall
#148  Relational DBMS
Score0.97
Rank#178  Overall
#86  Relational DBMS
#13  Search engines
Score0.92
Rank#181  Overall
#1  Event Stores
Websitewww.alibabacloud.com/­product/­polardbbigobject.iocrate.iowww.eventstore.com
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­58764.htmdocs.bigobject.iocrate.io/­docsdevelopers.eventstore.com
DeveloperAlibabaBigObject, Inc.CrateEvent Store Limited
Initial release201520132012
Current release21.2, February 2021
License infoCommercial or Open Sourcecommercialcommercial infofree community edition availableOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemshostedLinux infodistributed as a docker-image
OS X infodistributed as a docker-image (boot2docker)
Windows infodistributed as a docker-image (boot2docker)
All OS with a Java 7 (and higher) VMLinux
Windows
Data schemeyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyes
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 indexesyesyesyes
SQL infoSupport of SQLyesSQL-like DML and DDL statementsyes, but no triggers and constraints
APIs and other access methodsJDBC
ODBC
fluentd
ODBC
RESTful HTTP API
ADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Supported programming languagesJava
Python
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
Server-side scripts infoStored proceduresyesLuauser defined functions
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenoneselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Foreign keys infoReferential integrityyesyes infoautomatically between fact table and dimension tablesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono infounique row identifiers can be used for implementing an optimistic concurrency control strategy
Concurrency infoSupport for concurrent manipulation of datayesyes infoRead/write lock on objects (tables, trees)yes
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.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnorights management via user accounts
More information provided by the system vendor
Alibaba Cloud ApsaraDB for PolarDBBigObjectCrateDBEventStoreDB
Specific characteristicsApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL...
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CrateDB is an open source distributed SQL database that spreads data and processing...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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CrateDB is typically used in operational analytics applications, particularly those...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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CrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
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Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» more
CrateDB pricing CrateDB Community Edition is open source and free to use under the...
» more

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More resources
Alibaba Cloud ApsaraDB for PolarDBBigObjectCrateDBEventStoreDB
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