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DBMS > CockroachDB vs. Microsoft Azure AI Search vs. OpenTSDB vs. SQL.JS

System Properties Comparison CockroachDB vs. Microsoft Azure AI Search vs. OpenTSDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
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.Search-as-a-service for web and mobile app developmentScalable Time Series DBMS based on HBasePort of SQLite to JavaScript
Primary database modelRelational DBMSSearch engineTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.73
Rank#58  Overall
#34  Relational DBMS
Score5.52
Rank#59  Overall
#6  Search engines
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.cockroachlabs.comazure.microsoft.com/­en-us/­services/­searchopentsdb.netsql.js.org
Technical documentationwww.cockroachlabs.com/­docslearn.microsoft.com/­en-us/­azure/­searchopentsdb.net/­docs/­build/­html/­index.htmlsql.js.org/­documentation/­index.html
DeveloperCockroach LabsMicrosoftcurrently maintained by Yahoo and other contributorsAlon Zakai infoenhancements implemented by others
Initial release2015201520112012
Current release24.1.0, May 2024V1
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availablecommercialOpen Source infoLGPLOpen Source
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaJavaScript
Server operating systemsLinux
macOS
Windows
hostedLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemedynamic schemayesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnumeric data for metrics, strings for tagsyes
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.nononono
Secondary indexesyesyesno
SQL infoSupport of SQLyes, wire compatible with PostgreSQLnonoyes infoSQL-92 is not fully supported
APIs and other access methodsJDBCRESTful HTTP APIHTTP API
Telnet API
JavaScript API
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
C#
Java
JavaScript
Python
Erlang
Go
Java
Python
R
Ruby
JavaScript
Server-side scripts infoStored proceduresnononono
Triggersnononono
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 RAFTSharding infoImplicit feature of the cloud serviceSharding infobased on HBasenone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTyes infoImplicit feature of the cloud serviceselectable replication factor infobased on HBasenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBasenone
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes
User concepts infoAccess controlRole-based access controlyes infousing Azure authenticationnono

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More resources
CockroachDBMicrosoft Azure AI SearchOpenTSDBSQL.JS
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