DBMS > Derby vs. EDB Postgres vs. Postgres-XL

System Properties Comparison Derby vs. EDB Postgres vs. Postgres-XL

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Editorial information provided by DB-Engines

Name

Description

Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.

The EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options and Oracle compatibility features, complemented by tool kits for management, integration, and migration.

Based on PostgreSQL enhanced with MPP and write-scale-out cluster features

Primary database model

Relational DBMS

Secondary database models

Document store
Spatial DBMS

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

Score	6.07
Rank	#71	Overall
	#39	Relational DBMS

Score	3.02
Rank	#106	Overall
	#53	Relational DBMS

Score	0.64
Rank	#253	Overall
	#116	Relational DBMS

Website

db.apache.org/derby

www.enterprisedb.com

www.postgres-xl.org

Technical documentation

db.apache.org/derby/manuals/index.html

www.enterprisedb.com/edb-docs

www.postgres-xl.org/documentation

Developer

Apache Software Foundation

EnterpriseDB

Initial release

1997

2005

2014

since 2012, originally named StormDB

Current release

10.16.1.1, May 2022

14, December 2021

10 R1, October 2018

License

Commercial or Open Source

Open Source

Apache version 2

commercial

BSD for PostgreSQL-components

Open Source

Mozilla public license

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

Java

Server operating systems

All OS with a Java VM

Linux
Windows

Linux
macOS

Data scheme

yes

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.

yes

specific XML-type available, but no XML query functionality.

yes

XML type, but no XML query functionality

Secondary indexes

yes

SQL

Support of SQL

yes

standard with numerous extensions

yes

distributed, parallel query execution

APIs and other access methods

JDBC

ADO.NET
JDBC
native C library
ODBC
streaming API for large objects

Supported programming languages

Java

.Net
C
C++
Delphi
Java
Perl
PHP
Python
Tcl

.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl

Server-side scripts

Stored procedures

Java Stored Procedures

user defined functions

realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.

user defined functions

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

none

horizontal partitioning

by hash, list or range

horizontal partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

Source-replica replication

Multi-source replication

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

MVCC

Concurrency

Support for concurrent manipulation of data

yes

yes, multi-version concurrency control (MVCC)

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

fine grained access rights according to SQL-standard

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More resources

Recent citations in the news

Apache Derby - Market Share, Competitor Insights in Relational Databases
22 March 2023, 6sense.com

Apache Derby | IntelliJ IDEA Documentation
5 December 2022, jetbrains.com

Java DB drivers are not referencing correct Derby classes · Issue #5676 · apache/netbeans
18 March 2023, GitHub

When should I use Derby vs an external database, and can I store my binaries in the database?
26 February 2023, JFrog

[Solved] Connection string for Embedded Derby Database that can be exported with executable file of Swing Project
13 March 2023, eversql.com

provided by Google News

EDB's Postgres Distributed 5.0 boosts availability, performance
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1 March 2023, Database Trends and Applications

EDB Postgres Distributed 5.0 Enables Operational Resiliency ...
6 March 2023, IT Voice

EnterpriseDB Releases Solution To Optimize Postgres for IT ...
21 March 2023, Integration Developers

EDB Adds New Talent to Executive Leadership Team
22 March 2023, GlobeNewswire

provided by Google News

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

Postgres-XL
30 September 2022, wikidata.org

Postgres-XL
30 May 2017, Wikipedia

Postgres Xl 3o Meetup Postgresql Curitiba
25 March 2023, bahia.ba

Postgres-XL | Open Source Scalable SQL Database Cluster
17 June 2016, postgres-xl.org

provided by Google News

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