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DBMS > ClickHouse vs. Google Search Appliance vs. OpenQM

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

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonGoogle Search Appliance  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexThe Google Search Appliance consists of hardware and software for indexing documents in local networks.QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelRelational DBMSSearch engineMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.33
Rank#82  Overall
#41  Relational DBMS
Score2.77
Rank#94  Overall
#10  Search engines
Score0.26
Rank#245  Overall
#10  Multivalue DBMS
Websiteclickhouse.yandexenterprise.google.com/­search/­products/­gsa.htmlwww.openqm.com
Technical documentationclickhouse.yandex/­docssupport.google.com/­gsawww.openqm.com/­support/­documentation
DeveloperYandex LLCGoogleMartin Phillips
Initial release201620021993
Current releasev19.13.3.26, August 20193.4-12
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoGPLv2, extended commercial license available
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.
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyes infowith some exceptions
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.noyes
Secondary indexesyes
SQL infoSupport of SQLnono
APIs and other access methodsAdministrative API
Browser interface
HTTP API
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyes
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayesyes
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.no
User concepts infoAccess controlUser authentication via various security protocolsAccess rights can be defined down to the item level

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More resources
ClickHouseGoogle Search ApplianceOpenQM infoalso called QM
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