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DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. EventStoreDB vs. Microsoft SQL Server

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. EventStoreDB vs. Microsoft SQL Server

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Editorial information provided by DB-Engines
NameAlibaba Cloud ApsaraDB for PolarDB  Xexclude from comparisonEventStoreDB  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Industrial-strength, open-source database solution built from the ground up for event sourcing.Microsofts flagship relational DBMS
Primary database modelRelational DBMSEvent StoreRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.69
Rank#211  Overall
#104  Relational DBMS
Score0.87
Rank#189  Overall
#1  Event Stores
Score970.85
Rank#3  Overall
#3  Relational DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.eventstore.comwww.microsoft.com/­en-us/­sql-server
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­58764.htmdevelopers.eventstore.comdocs.microsoft.com/­en-US/­sql/­sql-server
DeveloperAlibabaEvent Store LimitedMicrosoft
Initial release20121989
Current release21.2, February 2021SQL Server 2019, November 2019
License infoCommercial or Open SourcecommercialOpen Sourcecommercial inforestricted free version is available
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.
Event Store Cloud allows you to deploy a managed EventStoreDB cluster in AWS, GCP and Azure (coming soon).
Implementation languageC++
Server operating systemshostedLinux
Windows
Linux
Windows
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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.yesyes
Secondary indexesyesyes
SQL infoSupport of SQLyesyes
APIs and other access methodsJDBC
ODBC
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesJava
Python
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresyesTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicetables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
Alibaba Cloud ApsaraDB for PolarDBEventStoreDBMicrosoft SQL Server
Specific characteristicsApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL...
» more
Guaranteed writes Great performance that scales Immutable data store High availability...
» more
Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
EventStoreDB's core database server is used in production systems worldwide. The...
» more
Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
Event-sourced systems Event-driven architecture
» more
Key customersEventStoreDB is used by companies across a whole range of industries. Here are just...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» more
Available as open-source software and licensed under the 3-clause BSD license ( https://github.com/EventStore/EventStore/blob/master/LICENSE.md...
» 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
Alibaba Cloud ApsaraDB for PolarDBEventStoreDBMicrosoft SQL Server
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