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DBMS > DuckDB vs. Immudb vs. VelocityDB

System Properties Comparison DuckDB vs. Immudb vs. VelocityDB

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Editorial information provided by DB-Engines
NameDuckDB  Xexclude from comparisonImmudb  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAn embeddable, in-process, column-oriented SQL OLAP RDBMSAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSKey-value storeGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score6.08
Rank#55  Overall
#33  Relational DBMS
Score0.31
Rank#278  Overall
#39  Key-value stores
Score0.00
Rank#386  Overall
#40  Graph DBMS
#20  Object oriented DBMS
Websiteduckdb.orggithub.com/­codenotary/­immudb
immudb.io
velocitydb.com
Technical documentationduckdb.org/­docsdocs.immudb.iovelocitydb.com/­UserGuide
DeveloperCodenotaryVelocityDB Inc
Initial release201820202011
Current release1.0.0, June 20241.2.3, April 20227.x
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++GoC#
Server operating systemsserver-lessBSD
Linux
macOS
Solaris
Windows
z/OS
Any that supports .NET
Data schemeyesschema-freeyes
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesSQL-like syntaxno
APIs and other access methodsArrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC
gRPC protocol
PostgreSQL wire protocol
.Net
Supported programming languagesC
C# info3rd party driver
C++
Crystal info3rd party driver
Go info3rd party driver
Java
Lisp info3rd party driver
Python
R
Ruby info3rd party driver
Rust
Swift
Zig info3rd party driver
.Net
Go
Java
JavaScript (Node.js)
Python
.Net
Server-side scripts infoStored proceduresnonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
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 dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
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.yesnoyes
User concepts infoAccess controlnoBased on Windows Authentication

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More resources
DuckDBImmudbVelocityDB
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