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DBMS > EXASOL vs. Google Cloud Spanner vs. Kdb+

System Properties Comparison EXASOL vs. Google Cloud Spanner vs. Kdb+

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonGoogle Cloud Spanner  Xexclude from comparisonKdb+  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A horizontally scalable, globally consistent, relational database service. It is the externalization of the core Google database that runs the biggest aspects of Google, like Ads and Google Play.High performance Time Series DBMS
Primary database modelRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.04
Rank#87  Overall
#44  Relational DBMS
Score1.93
Rank#113  Overall
#55  Relational DBMS
Score5.50
Rank#58  Overall
#2  Time Series DBMS
Websitewww.exasol.com/­en/­productscloud.google.com/­spannerkx.com
Technical documentationwww.exasol.com/­en/­community/­resourcescloud.google.com/­spanner/­docscode.kx.com
DeveloperExasolGoogleKx Systems, a division of First Derivatives plc
Initial release200020172000 infokdb was released 2000, kdb+ in 2003
Current release3.6, May 2018
License infoCommercial or Open Sourcecommercialcommercialcommercial infofree 32-bit version
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageq
Server operating systemshostedLinux
OS X
Solaris
Windows
Data schemeyesyesyes
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.nonoyes
Secondary indexesyesyesyes infotable attribute 'grouped'
SQL infoSupport of SQLyesyes infoQuery statements complying to ANSI 2011SQL-like query language (q)
APIs and other access methods.Net
JDBC
ODBC
WebSocket
gRPC (using protocol buffers) API
JDBC infoAt present, JDBC supports read-only queries. No support for DDL or DML statements.
RESTful HTTP API
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languagesJava
Lua
Python
R
Go
Java
JavaScript (Node.js)
Python
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresuser defined functionsnouser defined functions
Triggersyesnoyes infowith views
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-Master replication with 3 replicas for regional instances.Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyes infousing Google Cloud Dataflowno infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes infoby using interleaved tables, this features focuses more on performance improvements than on referential integrityyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoStrict serializable isolationno
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.yesnoyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)rights management via user accounts
More information provided by the system vendor
EXASOLGoogle Cloud SpannerKdb+
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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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
EXASOLGoogle Cloud SpannerKdb+
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
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Recent citations in the news

The insideBIGDATA IMPACT 50 List for Q1 2020
14 January 2020, insideBIGDATA

Data and Data Analysts Take the Lead
20 January 2020, eNewsWire

Exasol Enhances Performance, Security and Cloud Deployment with New Database Features
17 December 2019, Yahoo Finance

Chief Data Officers: the future of business
13 January 2020, eNewsWire

Revolut Achieves True Data Democratization With Exasol
31 July 2019, Business Wire

provided by Google News

Optiva accelerates plan to become public cloud specialist
21 January 2020, Telecompaper

Striim Announces Incremental Data Capture From Google Cloud Spanner; Enhanced Delivery to Google Cloud Pub/Sub
19 November 2019, Business Wire

Google’s Cloud Spanner database adds new features and regions
19 December 2018, TechCrunch

Striim Launches PaaS Solution for Real-Time Data Integration to Google Cloud Spanner
2 April 2019, PRNewswire

Making the jump to Google Cloud Spanner
22 February 2018, ZDNet

provided by Google 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

MRP Welcomes Senior Vice President of Global ABM
16 January 2020, Yahoo Finance

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

DataRobot Partners with Kx to Unleash AI-Driven Solutions By Extending Time Series Capabilities
14 November 2019, Business Wire

Shore Capital Reaffirms “Buy” Rating for First Derivatives (LON:FDP)
25 January 2020, Tech Know Bits

provided by Google News

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