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DBMS > CockroachDB vs. EventStoreDB vs. Hypertable vs. Microsoft Azure AI Search

System Properties Comparison CockroachDB vs. EventStoreDB vs. Hypertable vs. Microsoft Azure AI Search

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonEventStoreDB  Xexclude from comparisonHypertable  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.Industrial-strength, open-source database solution built from the ground up for event sourcing.An open source BigTable implementation based on distributed file systems such as HadoopSearch-as-a-service for web and mobile app development
Primary database modelRelational DBMSEvent StoreWide column storeSearch engine
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.74
Rank#67  Overall
#36  Relational DBMS
Score1.07
Rank#181  Overall
#1  Event Stores
Score5.75
Rank#58  Overall
#7  Search engines
Websitewww.cockroachlabs.comwww.eventstore.comazure.microsoft.com/­en-us/­services/­search
Technical documentationwww.cockroachlabs.com/­docsdevelopers.eventstore.comlearn.microsoft.com/­en-us/­azure/­search
DeveloperCockroach LabsEvent Store LimitedHypertable Inc.Microsoft
Initial release2015201220092015
Current release24.1.0, May 202421.2, February 20210.9.8.11, March 2016V1
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availableOpen SourceOpen Source infoGNU version 3. Commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC++
Server operating systemsLinux
macOS
Windows
Linux
Windows
Linux
OS X
Windows infoan inofficial Windows port is available
hosted
Data schemedynamic schemaschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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 indexesyesrestricted infoonly exact value or prefix value scansyes
SQL infoSupport of SQLyes, wire compatible with PostgreSQLnono
APIs and other access methodsJDBCC++ API
Thrift
RESTful HTTP API
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
C++
Java
Perl
PHP
Python
Ruby
C#
Java
JavaScript
Python
Server-side scripts infoStored proceduresnonono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTShardingSharding infoImplicit feature of the cloud service
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTselectable replication factor on file system levelyes infoImplicit feature of the cloud service
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono
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.nono
User concepts infoAccess controlRole-based access controlnoyes infousing Azure authentication

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More resources
CockroachDBEventStoreDBHypertableMicrosoft Azure AI Search
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