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DBMS > Immudb vs. OpenMLDB vs. PostGIS

System Properties Comparison Immudb vs. OpenMLDB vs. PostGIS

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonOpenMLDB  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.An open-source machine learning database that provides a feature platform for training and inferenceSpatial extension of PostgreSQL
Primary database modelKey-value storeTime Series DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#295  Overall
#42  Key-value stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Websitegithub.com/­codenotary/­immudb
immudb.io
openmldb.aipostgis.net
Technical documentationdocs.immudb.ioopenmldb.ai/­docs/­zh/­mainpostgis.net/­documentation
DeveloperCodenotary4 Paradigm Inc.
Initial release202020202005
Current release1.2.3, April 20222024-2 February 20243.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoApache Version 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 languageGoC++, Java, ScalaC
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
Linux
Data schemeschema-freeFixed schemayes
Typing infopredefined data types such as float or dateyesyes
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 syntaxyesyes
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
JDBC
SQLAlchemy
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnonouser defined functions
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesSource-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 ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
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 persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardyes infobased on PostgreSQL

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More resources
ImmudbOpenMLDBPostGIS
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