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DBMS > Lovefield vs. OpenMLDB vs. PostGIS

System Properties Comparison Lovefield vs. OpenMLDB vs. PostGIS

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOpenMLDB  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptAn open-source machine learning database that provides a feature platform for training and inferenceSpatial extension of PostgreSQL
Primary database modelRelational DBMSTime Series DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.22
Rank#306  Overall
#138  Relational DBMS
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Websitegoogle.github.io/­lovefieldopenmldb.aipostgis.net
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdopenmldb.ai/­docs/­zh/­mainpostgis.net/­documentation
DeveloperGoogle4 Paradigm Inc.
Initial release201420202005
Current release2.1.12, February 20172024-2 February 20243.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++, Java, ScalaC
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Data schemeyesFixed schemayes
Typing infopredefined data types such as float or dateyesyesyes
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.nonoyes
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternyesyes
APIs and other access methodsJDBC
SQLAlchemy
Supported programming languagesJavaScriptC++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnonouser defined functions
TriggersUsing read-only observersnoyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes, 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.yes infousing MemoryDByesno
User concepts infoAccess controlnofine grained access rights according to SQL-standardyes infobased on PostgreSQL

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More resources
LovefieldOpenMLDBPostGIS
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