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DBMS > ClickHouse vs. Google Search Appliance vs. VelocityDB

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

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonGoogle Search Appliance  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexThe Google Search Appliance consists of hardware and software for indexing documents in local networks.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSSearch engineGraph DBMS
Object oriented 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
Score0.07
Rank#313  Overall
#31  Graph DBMS
#16  Object oriented DBMS
Websiteclickhouse.yandexenterprise.google.com/­search/­products/­gsa.htmlvelocitydb.com
Technical documentationclickhouse.yandex/­docssupport.google.com/­gsavelocitydb.com/­UserGuide
DeveloperYandex LLCGoogleVelocityDB Inc
Initial release201620022011
Current releasev19.13.3.26, August 20197.x
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#
Server operating systemsAny that supports .NET
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.nono
Secondary indexesyes
SQL infoSupport of SQLnono
APIs and other access methodsAdministrative API
Browser interface
HTTP API
.Net
Supported programming languages.Net
Server-side scripts infoStored proceduresno
TriggersCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-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 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.noyes
User concepts infoAccess controlUser authentication via various security protocolsBased on Windows Authentication

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More resources
ClickHouseGoogle Search ApplianceVelocityDB
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