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DBMS > Microsoft Azure AI Search vs. OpenTSDB vs. Quasardb vs. SiteWhere vs. YDB

System Properties Comparison Microsoft Azure AI Search vs. OpenTSDB vs. Quasardb vs. SiteWhere vs. YDB

Editorial information provided by DB-Engines
NameMicrosoft Azure AI Search  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQuasardb  Xexclude from comparisonSiteWhere  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionSearch-as-a-service for web and mobile app developmentScalable Time Series DBMS based on HBaseDistributed, high-performance timeseries databaseM2M integration platform for persisting/querying time series dataA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelSearch engineTime Series DBMSTime Series DBMSTime Series DBMSDocument store
Relational DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.59
Rank#63  Overall
#7  Search engines
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Websiteazure.microsoft.com/­en-us/­services/­searchopentsdb.netquasar.aigithub.com/­sitewhere/­sitewheregithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationlearn.microsoft.com/­en-us/­azure/­searchopentsdb.net/­docs/­build/­html/­index.htmldoc.quasar.ai/­mastersitewhere1.sitewhere.io/­index.htmlydb.tech/­en/­docs
DeveloperMicrosoftcurrently maintained by Yahoo and other contributorsquasardbSiteWhereYandex
Initial release20152011200920102019
Current releaseV13.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen Source infoLGPLcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoCommon Public Attribution License Version 1.0Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++Java
Server operating systemshostedLinux
Windows
BSD
Linux
OS X
Windows
Linux
OS X
Windows
Linux
Data schemeyesschema-freeschema-freepredefined schemeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes infointeger and binaryyesyes
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.nonononono
Secondary indexesyesnoyes infowith tagsnoyes
SQL infoSupport of SQLnonoSQL-like query languagenoSQL-like query language (YQL)
APIs and other access methodsRESTful HTTP APIHTTP API
Telnet API
HTTP APIHTTP RESTRESTful HTTP API (DynamoDB compatible)
Supported programming languagesC#
Java
JavaScript
Python
Erlang
Go
Java
Python
R
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnononono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infobased on HBaseSharding infoconsistent hashingSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceselectable replication factor infobased on HBaseSource-replica replication with selectable replication factorselectable replication factor infobased on HBaseActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoTransient modenono
User concepts infoAccess controlyes infousing Azure authenticationnoCryptographically strong user authentication and audit trailUsers with fine-grained authorization conceptAccess rights defined for Yandex Cloud users

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More resources
Microsoft Azure AI SearchOpenTSDBQuasardbSiteWhereYDB
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