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DBMS > Kdb+ vs. Microsoft SQL Server vs. Snowflake

System Properties Comparison Kdb+ vs. Microsoft SQL Server vs. Snowflake

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Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionHigh performance Time Series DBMSMicrosofts relational DBMSCloud-based data warehousing service for structured and semi-structured data
Primary database modelTime Series DBMSRelational DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.50
Rank#58  Overall
#2  Time Series DBMS
Score1098.55
Rank#3  Overall
#3  Relational DBMS
Score2.24
Rank#107  Overall
#52  Relational DBMS
Websitekx.comwww.microsoft.com/­en-us/­sql-serverwww.snowflake.com
Technical documentationcode.kx.comdocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentationdocs.snowflake.net/­manuals/­index.html
DeveloperKx Systems, a division of First Derivatives plcMicrosoftSnowflake Computing Inc.
Initial release2000 infokdb was released 2000, kdb+ in 200319892014
Current release3.6, May 2018SQL Server 2019, November 2019
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercial inforestricted free version is availablecommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqC++
Server operating systemsLinux
OS X
Solaris
Windows
Linux
Windows
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.yesyesyes
Secondary indexesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLSQL-like query language (q)yesyes
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
CLI Client
JDBC
ODBC
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javauser defined functions
Triggersyes infowith viewsyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningtables can be distributed across several files (horizontal partitioning); sharding through federationyes
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationyes, but depending on the SQL-Server Editionyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnono
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 datanoACIDACID
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.yesyesno
User concepts infoAccess controlrights management via user accountsfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authentication
More information provided by the system vendor
Kdb+Microsoft SQL ServerSnowflake
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsupon request
» more

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More resources
Kdb+Microsoft SQL ServerSnowflake
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Recent citations in the news

Kx extends use of world's fastest time series database kdb+ with on-demand offering for cloud and on-premises
27 March 2018, Bobsguide

Kx Systems releases SaaS version of kdb+
27 March 2018, Finextra

Kx announces the availability of kdb+ on Google Cloud Launcher
12 June 2018, Bobsguide

Kx Named as Google Cloud Global Technology Partner of the Year - Financial Services
9 April 2019, Associated Press

Kx to power analytics for US real estate giant Zillow
3 April 2019, Associated Press

provided by Google News

SQL Server 2019: New Features
7 January 2020, TechNative

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8 January 2020, Yahoo Finance

A Quick Look at SQL Server Numeric Functions
19 December 2019, Database Journal

Expert Performance Indexing in SQL Server 2019
14 January 2020, iProgrammer

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13 January 2020, Windows Report

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Enabling data-driven video streaming: A Snowflake Case Study
14 January 2020, CDOTrends

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15 January 2020, Database Trends and Applications

I'm Obsessed With Snowflake the Albino Squirrel from Derry, NH
13 January 2020, wokq.com

Predictions 2020: Cloud, Kubernetes and cybersecurity will rule
28 December 2019, SiliconANGLE News

2019: A Big Data Year in Review – Part Two
20 December 2019, Datanami

provided by Google News

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