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DBMS > EventStoreDB vs. Immudb vs. SwayDB vs. VelocityDB

System Properties Comparison EventStoreDB vs. Immudb vs. SwayDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonImmudb  Xexclude from comparisonSwayDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.An open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storageA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelEvent StoreKey-value storeKey-value storeGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.10
Rank#179  Overall
#1  Event Stores
Score0.24
Rank#305  Overall
#43  Key-value stores
Score0.00
Rank#382  Overall
#59  Key-value stores
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.eventstore.comgithub.com/­codenotary/­immudb
immudb.io
swaydb.simer.auvelocitydb.com
Technical documentationdevelopers.eventstore.comdocs.immudb.iovelocitydb.com/­UserGuide
DeveloperEvent Store LimitedCodenotarySimer PlahaVelocityDB Inc
Initial release2012202020182011
Current release21.2, February 20211.2.3, April 20227.x
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0Open Source infoGNU Affero GPL V3.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoScalaC#
Server operating systemsLinux
Windows
BSD
Linux
macOS
Solaris
Windows
z/OS
Any that supports .NET
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyes
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.nonono
Secondary indexesyesnoyes
SQL infoSupport of SQLSQL-like syntaxnono
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
.Net
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Java
Kotlin
Scala
.Net
Server-side scripts infoStored proceduresnonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of operationsACID
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.noyesyes
User concepts infoAccess controlnoBased on Windows Authentication

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More resources
EventStoreDBImmudbSwayDBVelocityDB
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