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DBMS > Immudb vs. SurrealDB vs. TerminusDB vs. VelocityDB

System Properties Comparison Immudb vs. SurrealDB vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonSurrealDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.A fully ACID transactional, developer-friendly, multi-model DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeDocument store
Graph DBMS
Graph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#295  Overall
#42  Key-value stores
Score1.02
Rank#190  Overall
#33  Document stores
#18  Graph DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Websitegithub.com/­codenotary/­immudb
immudb.io
surrealdb.comterminusdb.comvelocitydb.com
Technical documentationdocs.immudb.iosurrealdb.com/­docsterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperCodenotarySurrealDB LtdDataChemist Ltd.VelocityDB Inc
Initial release2020202220182011
Current release1.2.3, April 2022v1.5.0, May 202411.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open SourceOpen Source infoGPL V3commercial
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 languageGoRustProlog, RustC#
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
Linux
macOS
Windows
LinuxAny that supports .NET
Data schemeschema-freeschema-freeyesyes
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.nonono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like syntaxSQL-like query languageSQL-like query language (WOQL)no
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
GraphQL
RESTful HTTP API
WebSocket
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Deno
Go
JavaScript (Node.js)
Rust
JavaScript
Python
.Net
Server-side scripts infoStored proceduresnoyesno
TriggersnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlyes, based on authentication and database rulesRole-based access controlBased on Windows Authentication

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More resources
ImmudbSurrealDBTerminusDB infoformer name was DataChemistVelocityDB
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