DBMS > Alibaba Cloud TSDB vs. EXASOL vs. Immudb vs. Oracle Rdb vs. ReductStore

System Properties Comparison Alibaba Cloud TSDB vs. EXASOL vs. Immudb vs. Oracle Rdb vs. ReductStore

Editorial information provided by DB-Engines

Name

Description

A stable, reliable, and cost-effective online high-performance time series database service

High-performance, in-memory, MPP database specifically designed for in-memory analytics.

An open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.

Designed to manage unstructured time-series data efficiently, providing unique features such as storing time-stamped blobs with labels, customizable data retention policies, and a straightforward FIFO quota system.

Primary database model

Secondary database models

Relational DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	0.29
Rank	#301	Overall
	#26	Time Series DBMS

Score	1.76
Rank	#139	Overall
	#62	Relational DBMS

Score	0.31
Rank	#295	Overall
	#42	Key-value stores

Score	1.14
Rank	#178	Overall
	#80	Relational DBMS

Score	0.05
Rank	#384	Overall
	#44	Time Series DBMS

Website

www.alibabacloud.com/product/hitsdb

www.exasol.com

github.com/codenotary/immudb
immudb.io

www.oracle.com/database/technologies/related/rdb.html

github.com/reductstore
www.reduct.store

Technical documentation

www.alibabacloud.com/help/en/time-series-database/latest/what-is-tsdb

www.exasol.com/resources

docs.immudb.io

www.oracle.com/database/technologies/related/rdb-doc.html

www.reduct.store/docs

Developer

Alibaba

Exasol

Codenotary

Oracle, originally developed by Digital Equipment Corporation (DEC)

ReductStore LLC

Initial release

2000

2020

1984

2023

Current release

1.2.3, April 2022

7.4.1.1, 2021

1.9, March 2024

License

Commercial or Open Source

commercial

Open Source

Apache Version 2.0

commercial

Open Source

Business Source License 1.1

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C++, Rust

Server operating systems

hosted

BSD
Linux
macOS
Solaris
Windows
z/OS

HP Open VMS

Docker
Linux
macOS
Windows

Data scheme

schema-free

yes

schema-free

Flexible Schema (defined schema, partial schema, schema free)

Typing

predefined data types such as float or date

Numeric data and Strings

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

yes

SQL-like syntax

yes

APIs and other access methods

HTTP REST

.Net
JDBC
ODBC
WebSocket

gRPC protocol
PostgreSQL wire protocol

HTTP API

Supported programming languages

Java

Java
Lua
Python
R

.Net
Go
Java
JavaScript (Node.js)
Python

C++
JavaScript (Node.js)
Python
Rust

Server-side scripts

Stored procedures

user defined functions

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Hadoop integration

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

yes, on a single node

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

Access managed on TSDB instance level

Access rights for users, groups and roles according to SQL-standard

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