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DBMS > KairosDB vs. Lovefield vs. Microsoft Azure AI Search vs. PostGIS

System Properties Comparison KairosDB vs. Lovefield vs. Microsoft Azure AI Search vs. PostGIS

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Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonLovefield  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionDistributed Time Series DBMS based on Cassandra or H2Embeddable relational database for web apps written in pure JavaScriptSearch-as-a-service for web and mobile app developmentSpatial extension of PostgreSQL
Primary database modelTime Series DBMSRelational DBMSSearch engineSpatial DBMS
Secondary database modelsVector DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score0.29
Rank#293  Overall
#133  Relational DBMS
Score5.59
Rank#63  Overall
#7  Search engines
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitegithub.com/­kairosdb/­kairosdbgoogle.github.io/­lovefieldazure.microsoft.com/­en-us/­services/­searchpostgis.net
Technical documentationkairosdb.github.iogithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdlearn.microsoft.com/­en-us/­azure/­searchpostgis.net/­documentation
DeveloperGoogleMicrosoft
Initial release2013201420152005
Current release1.2.2, November 20182.1.12, February 2017V13.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0commercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptC
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, Safarihosted
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nononoyes
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoSQL-like query language infovia JavaScript builder patternnoyes
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
RESTful HTTP API
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
JavaScriptC#
Java
JavaScript
Python
Server-side scripts infoStored proceduresnononouser defined functions
TriggersnoUsing read-only observersnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneSharding infoImplicit feature of the cloud serviceyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranoneyes infoImplicit feature of the cloud serviceyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infousing MemoryDBnono
User concepts infoAccess controlsimple password-based access controlnoyes infousing Azure authenticationyes infobased on PostgreSQL

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More resources
KairosDBLovefieldMicrosoft Azure AI SearchPostGIS
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