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DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. FatDB vs. Microsoft SQL Server vs. ScyllaDB vs. Snowflake

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. FatDB vs. Microsoft SQL Server vs. ScyllaDB vs. Snowflake

Editorial information provided by DB-Engines
NameAlibaba Cloud ApsaraDB for PolarDB  Xexclude from comparisonFatDB  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonScyllaDB  Xexclude from comparisonSnowflake  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A .NET NoSQL DBMS that can integrate with and extend SQL Server.Microsofts flagship relational DBMSCassandra and DynamoDB compatible wide column storeCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSDocument store
Key-value store
Relational DBMSWide column storeRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#266  Overall
#123  Relational DBMS
Score845.81
Rank#3  Overall
#3  Relational DBMS
Score5.69
Rank#67  Overall
#5  Wide column stores
Score125.38
Rank#9  Overall
#6  Relational DBMS
Websitewww.alibabacloud.com/­product/­polardbwww.microsoft.com/­en-us/­sql-serverwww.scylladb.comwww.snowflake.com
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewlearn.microsoft.com/­en-US/­sql/­sql-serverdocs.scylladb.comdocs.snowflake.net/­manuals/­index.html
DeveloperAlibabaFatCloudMicrosoftScyllaDBSnowflake Computing Inc.
Initial release2012198920152014
Current releaseSQL Server 2022, November 2022ScyllaDB Open Source 5.4.1, January 2024
License infoCommercial or Open Sourcecommercialcommercialcommercial inforestricted free version is availableOpen Source infoOpen Source (AGPL), commercial license availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageC#C++C++
Server operating systemshostedWindowsLinux
Windows
Linuxhosted
Data schemeyesschema-freeyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.yesyesnoyes
Secondary indexesyesyesyesyes infocluster global secondary indices
SQL infoSupport of SQLyesno infoVia inetgration in SQL ServeryesSQL-like DML and DDL statements (CQL)yes
APIs and other access methodsJDBC
ODBC
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
CLI Client
JDBC
ODBC
Supported programming languagesJava
Python
C#C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyesyes infovia applicationsTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javayes, Luauser defined functions
Triggersyesyes infovia applicationsyesnono infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingtables can be distributed across several files (horizontal partitioning); sharding through federationShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceselectable replication factoryes, but depending on the SQL-Server Editionselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integrityyesnoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDno infoAtomicity and isolation are supported for single operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoin-memory tablesno
User concepts infoAccess controlfine grained access rights according to SQL-standardno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardAccess rights for users can be defined per objectUsers with fine-grained authorization concept, user roles and pluggable authentication
More information provided by the system vendor
Alibaba Cloud ApsaraDB for PolarDBFatDBMicrosoft SQL ServerScyllaDBSnowflake
Specific characteristicsApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL...
» more
ScyllaDB is engineered to deliver predictable performance at scale. It’s adopted...
» more
Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
Highly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
ScyllaDB is ideal for applications that require high throughput and low latency at...
» more
Key customersDiscord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...
» more
Market metricsScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» more
ScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...
» more

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3rd partiesNavicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
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CData: Connect to Big Data & NoSQL through standard Drivers.
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More resources
Alibaba Cloud ApsaraDB for PolarDBFatDBMicrosoft SQL ServerScyllaDBSnowflake
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