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DBMS > Immudb vs. PostgreSQL vs. SingleStore

System Properties Comparison Immudb vs. PostgreSQL vs. SingleStore

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonPostgreSQL  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparison
DescriptionAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.Widely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage with patented universal storage to handle transactional and analytical workloads in one single table type
Primary database modelKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Relational DBMS
Secondary database modelsRelational DBMSDocument store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
Document store
Spatial DBMS
Time Series DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.25
Rank#292  Overall
#42  Key-value stores
Score667.25
Rank#4  Overall
#4  Relational DBMS
Score3.93
Rank#69  Overall
#37  Relational DBMS
Websitegithub.com/­codenotary/­immudb
immudb.io
www.postgresql.orgwww.singlestore.com
Technical documentationdocs.immudb.iowww.postgresql.org/­docsdocs.singlestore.com
DeveloperCodenotaryPostgreSQL Global Development Group infowww.postgresql.org/­developerSingleStore Inc.
Initial release20201989 info1989: Postgres, 1996: PostgreSQL2013
Current release1.2.3, April 202216.4, August 20248.5, January 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSDcommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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PostgreSQL Flex @ STACKIT offers managed PostgreSQL Instances with adjustable CPU, RAM, storage amount and speed and several extensions available, in enterprise grade to perfectly match all application requirements. All 100% GDPR-compliant.
Implementation languageGoCC++, Go
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Linux info64 bit version required
Data schemeschema-freeyesyes
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.noyes infospecific XML-type available, but no XML query functionality.no
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like syntaxyes infostandard with numerous extensionsyes infobut no triggers and foreign keys
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Cluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Bash
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingpartitioning by range, list and (since PostgreSQL 11) by hashSharding infohash partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsSource-replica replication infostores two copies of each physical data partition on two separate nodes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan define user-defined aggregate functions for map-reduce-style calculations
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyesyes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardFine grained access control via users, groups and roles

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More resources
ImmudbPostgreSQLSingleStore infoformer name was MemSQL
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Recent citations in the news

immudb Gains Market Momentum as the Leading Immutable Database for Secure and Tamper-Proof Data Storage
11 March 2025, Business Wire

A Step by Step Guide to immudb β€” the open source immutable database
18 May 2020, HackerNoon

Codenotary brings its immutable database to the cloud
21 June 2023, TechCrunch

SD Times Open-Source Project of the Week: immudb
19 November 2021, SD Times

The Alpha and Omega of software supply chain security
4 February 2022, ZDNET

provided by Google News

Fileless XMRig-C3 Cryptominer Targets PostgreSQL Servers
31 March 2025, wiz.io

How Heroku migrated hundreds of thousands of self-managed PostgreSQL databases to Amazon Aurora
10 April 2025, Amazon Web Services

YugabyteDB Advances PostgreSQL Compatibility with PG15 Features
16 April 2025, MSN

PostgreSQL Database Lands Initial Support For IO_uring: "Can Be Considerably Faster"
27 March 2025, Phoronix

Springtail: $2.5 Million (Pre-Seed) Raised To Scale PostgreSQL Performance
12 April 2025, Pulse 2.0

provided by Google News

SingleStore Acquires BryteFlow ​​to Accelerate Adoption of Real-Time Analytics, GenAI
3 October 2024, Business Wire

SingleStore's BryteFlow acquisition targets data integration
3 October 2024, TechTarget

SingleStore acquires BryteFlow to boost data ingestion capabilities
3 October 2024, InfoWorld

Announcing watsonx.ai and SingleStore for generative AI applications
16 October 2024, IBM

Third time was the charm for SingleStore in the cloud, CEO says
8 July 2024, theregister.com

provided by Google News



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