DBMS > DuckDB vs. eXtremeDB vs. searchxml

System Properties Comparison DuckDB vs. eXtremeDB vs. searchxml

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Editorial information provided by DB-Engines

Name

Description

An embeddable, in-process, column-oriented SQL OLAP RDBMS

Natively in-memory DBMS with options for persistency, high-availability and clustering

DBMS for structured and unstructured content wrapped with an application server

Primary database model

Relational DBMS

Relational DBMS
Time Series DBMS

Native XML DBMS
Search engine

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

Score	6.17
Rank	#55	Overall
	#33	Relational DBMS

Score	0.99
Rank	#185	Overall
	#87	Relational DBMS
	#17	Time Series DBMS

Score	0.00
Rank	#392	Overall
	#7	Native XML DBMS
	#24	Search engines

Website

duckdb.org

www.mcobject.com

www.searchxml.net/category/products

Technical documentation

duckdb.org/docs

www.mcobject.com/docs/extremedb.htm

www.searchxml.net/support/handouts

Developer

McObject

informationpartners gmbh

Initial release

2018

2001

2015

Current release

1.0.0, June 2024

8.2, 2021

1.0

License

Commercial or Open Source

Open Source

MIT License

commercial

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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

Implementation language

C++

C and C++

C++

Server operating systems

server-less

AIX
HP-UX
Linux
macOS
Solaris
Windows

Windows

Data scheme

yes

schema-free

Typing

predefined data types such as float or date

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.

support of XML interfaces available

yes

Secondary indexes

yes

SQL

Support of SQL

yes

with the option: eXtremeSQL

APIs and other access methods

Arrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC

.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API

RESTful HTTP API
WebDAV
XQuery
XSLT

Supported programming languages

C
C#

3rd party driver
C++
Crystal

3rd party driver
Go

3rd party driver
Java
Lisp

3rd party driver
Python
R
Ruby

3rd party driver
Rust
Swift
Zig

3rd party driver

.Net
C
C#
C++
Java
Lua
Python
Scala

C++

most other programming languages supported via APIs

Server-side scripts

Stored procedures

yes

on the application server

Triggers

yes

by defining events

Partitioning methods

Methods for storing different data on different nodes

none

horizontal partitioning / sharding

none

Replication methods

Methods for redundantly storing data on multiple nodes

none

Active Replication Fabric™ for IoT
Multi-source replication

by means of eXtremeDB Cluster option
Source-replica replication

by means of eXtremeDB High Availability option

yes

sychronisation to multiple collections

MapReduce

Offers an API for user-defined Map/Reduce methods

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

multiple readers, single writer

Concurrency

Support for concurrent manipulation of data

yes, multi-version concurrency control (MVCC)

yes

Optimistic (MVCC) and pessimistic (locking) strategies available

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

Domain, group and role-based access control at the document level and for application services

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More resources

Recent citations in the news

My First Billion (of Rows) in DuckDB
1 May 2024, Towards Data Science

A Guide to Data Analysis in Python with DuckDB
18 November 2024, KDnuggets

MotherDuck Announces Beta Release of pg_duckdb; Brings DuckDB's Analytics Power to PostgreSQL Users
24 October 2024, PR Newswire

Unleashing Postgres for Analytics With DuckDB Integration
24 July 2024, The New Stack

What's new in ArcGIS Data Interoperability at Pro 3.4
4 November 2024, Esri

provided by Google News

McObject and GoldenSource Collaborate on Regtech EDM Offering
28 June 2017, Financial IT

Latest embedded DBMS supports asymmetric multiprocessing systems
24 May 2023, Embedded

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14 October 2015, Construction Week Online

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