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DBMS > Microsoft Azure SQL Database vs. Postgres-XL vs. Snowflake

System Properties Comparison Microsoft Azure SQL Database vs. Postgres-XL vs. Snowflake

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Editorial information provided by DB-Engines
NameMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonPostgres-XL  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionDatabase as a Service offering with high compatibility to Microsoft SQL ServerBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSRelational DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score83.25
Rank#14  Overall
#9  Relational DBMS
Score0.73
Rank#203  Overall
#100  Relational DBMS
Score71.03
Rank#17  Overall
#11  Relational DBMS
Websiteazure.microsoft.com/­en-us/­services/­sql-databasewww.postgres-xl.orgwww.snowflake.com
Technical documentationdocs.microsoft.com/­en-us/­azure/­azure-sqlwww.postgres-xl.org/­documentationdocs.snowflake.net/­manuals/­index.html
DeveloperMicrosoftSnowflake Computing Inc.
Initial release20102014 infosince 2012, originally named StormDB2014
Current releaseV1210 R1, October 2018
License infoCommercial or Open SourcecommercialOpen Source infoMozilla public licensecommercial
Cloud-based only infoOnly available as a cloud serviceyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C
Server operating systemshostedLinux
macOS
hosted
Data schemeyesyesyes infosupport of semi-structured data formats (JSON, XML, Avro)
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.yesyes infoXML type, but no XML query functionalityyes
Secondary indexesyesyes
SQL infoSupport of SQLyesyes infodistributed, parallel query executionyes
APIs and other access methodsADO.NET
JDBC
ODBC
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
CLI Client
JDBC
ODBC
Supported programming languages.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresTransact SQLuser defined functionsuser defined functions
Triggersyesyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with always 3 replicas availableyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.nono
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
Microsoft Azure SQL Database infoformerly SQL AzurePostgres-XLSnowflake
DB-Engines blog posts

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Recent citations in the news

Data Loading Best Practices on Azure SQL Database - Microsoft
11 November 2021, Channel 9

Microsoft's cloud-connected on-prem database: SQL Server 2022 rolls out in private preview
2 November 2021, ZDNet

Key Microsoft Azure News from Ignite
3 November 2021, Redmondmag.com

Microsoft builds distributed ledger for Azure SQL database
26 May 2021, TechTarget

Quest boosts Oracle Data and Azure Cloud integration
3 November 2021, DataCenterNews Asia

provided by Google News

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

When PostgreSQL Doesn't Scale Well Enough
18 April 2016, DZone News

provided by Google News

Immuta Joins the Data Governance Accelerated Program from Snowflake
24 November 2021, Database Trends and Applications

Announcing Okera for Snowflake, a SaaS Solution to Deliver Universal Data Authorization on Snowflake's Data Cloud
23 November 2021, PRNewswire

Trifacta launches the data engineering cloud for Snowflake
1 December 2021, Express Computer

Snowflake rebuts DataBricks' Snowflake performance comparison as lacking integrity – Blocks and Files
15 November 2021, Blocks and Files

After Rising 18% Over The Last Month, What's Next For Snowflake Stock?
29 November 2021, Forbes

provided by Google News

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