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DBMS > Immudb vs. KeyDB

System Properties Comparison Immudb vs. KeyDB

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonKeyDB  Xexclude from comparison
DescriptionAn immutable database, which allows to add new versions of existing records, but never change or delete records.An ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocols
Primary database modelKey-value storeKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.19
Rank#292  Overall
#43  Key-value stores
Score0.32
Rank#266  Overall
#40  Key-value stores
Websitegithub.com/­codenotary/­immudb
www.codenotary.com/­technologies/­immudb
github.com/­JohnSully/­KeyDB
keydb.dev
Technical documentationdocs.immudb.iodocs.keydb.dev
DeveloperCodenotaryEQ Alpha Technology Ltd.
Initial release20202019
Current release1.0, May 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSD-3
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
Linux
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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.nono
Secondary indexesyesyes infoby using the Redis Search module
SQL infoSupport of SQLSQL-like syntaxno
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
Proprietary protocol infoRESP - REdis Serialization Protoco
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored proceduresnoLua
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlsimple password-based access control and ACL

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More resources
ImmudbKeyDB
Recent citations in the news

immudb Tamper-Proof Database Ranked Fastest-Growing Open Source Project
20 January 2022, Business Wire

Codenotary raises $12.5M Series B to secure software supply chains
24 January 2022, TechCrunch

Storage news ticker – January 24 – Blocks and Files
24 January 2022, Blocks and Files

Immudb: Open-source database, built on a zero trust model
17 December 2021, Help Net Security

ImmuDB and Codenotary: It's a database, but the company isn't
20 December 2021, ZDNet

provided by Google News

Beyond the mainstream database offerings
26 March 2020, TechCentral.ie

provided by Google News

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