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DBMS > ClickHouse vs. eXtremeDB vs. Google Search Appliance

System Properties Comparison ClickHouse vs. eXtremeDB vs. Google Search Appliance

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisoneXtremeDB  Xexclude from comparisonGoogle Search Appliance  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexNatively in-memory DBMS with options for persistency, high-availability and clusteringThe Google Search Appliance consists of hardware and software for indexing documents in local networks.
Primary database modelRelational DBMSRelational DBMS
Time Series DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.33
Rank#82  Overall
#41  Relational DBMS
Score0.39
Rank#220  Overall
#104  Relational DBMS
#12  Time Series DBMS
Score2.77
Rank#94  Overall
#10  Search engines
Websiteclickhouse.yandexwww.mcobject.com/­extremedbfamilyenterprise.google.com/­search/­products/­gsa.html
Technical documentationclickhouse.yandex/­docswww.mcobject.com/­docs/­eXtremeDB.htmsupport.google.com/­gsa
DeveloperYandex LLCMcObjectGoogle
Initial release201620012002
Current releasev19.13.3.26, August 20198.0, May 2018
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
Data schemeyes
Typing infopredefined data types such as float or dateyes
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.no infosupport of XML interfaces availableno
Secondary indexesyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLno
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
proprietary protocol
Administrative API
Browser interface
HTTP API
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Server-side scripts infoStored proceduresyes
Triggersyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlUser authentication via various security protocols
More information provided by the system vendor
ClickHouseeXtremeDBGoogle Search Appliance
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
» 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
ClickHouseeXtremeDBGoogle Search Appliance
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