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DBMS > EXASOL vs. Kdb+ vs. RRDtool vs. Snowflake

System Properties Comparison EXASOL vs. Kdb+ vs. RRDtool vs. Snowflake

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonKdb+  Xexclude from comparisonRRDtool  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.High performance Time Series DBMSIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.Cloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSTime Series DBMSTime Series DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.83
Rank#87  Overall
#44  Relational DBMS
Score5.48
Rank#58  Overall
#2  Time Series DBMS
Score2.74
Rank#93  Overall
#5  Time Series DBMS
Score2.18
Rank#106  Overall
#51  Relational DBMS
Websitewww.exasol.com/­en/­productskx.comoss.oetiker.ch/­rrdtoolwww.snowflake.com
Technical documentationwww.exasol.com/­en/­community/­resourcescode.kx.comoss.oetiker.ch/­rrdtool/­docdocs.snowflake.net/­manuals/­index.html
DeveloperExasolKx Systems, a division of First Derivatives plcTobias OetikerSnowflake Computing Inc.
Initial release20002000 infokdb was released 2000, kdb+ in 200319992014
Current release3.6, May 20181.7.2, May 2019
License infoCommercial or Open Sourcecommercialcommercial infofree 32-bit versionOpen Source infoGPL V2 and FLOSScommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqC infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsLinux
OS X
Solaris
Windows
HP-UX
Linux
hosted
Data schemeyesyesyesyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesNumeric data onlyyes
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.noyesno infoExporting into and restoring from XML files possibleyes
Secondary indexesyesyes infotable attribute 'grouped'no
SQL infoSupport of SQLyesSQL-like query language (q)noyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
in-process shared library
Pipes
CLI Client
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsnouser defined functions
Triggersyesyes infowith viewsnono infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningnoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemonyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardrights management via user accountsnoUsers with fine-grained authorization concept, user roles and pluggable authentication
More information provided by the system vendor
EXASOLKdb+RRDtoolSnowflake
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
EXASOLKdb+RRDtoolSnowflake
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