DBMS > PostGIS vs. VelocityDB

System Properties Comparison PostGIS vs. VelocityDB

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Editorial information provided by DB-Engines

Name

Description

Spatial extension of PostgreSQL

A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)

Primary database model

Spatial DBMS

Graph DBMS
Object oriented DBMS

Secondary database models

Relational DBMS

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Trend Chart

Score	23.90
Rank	#29	Overall
	#1	Spatial DBMS

Score	0.11
Rank	#347	Overall
	#35	Graph DBMS
	#15	Object oriented DBMS

Website

postgis.net

velocitydb.com

Technical documentation

postgis.net/documentation

velocitydb.com/UserGuide

Developer

VelocityDB Inc

Initial release

2005

2011

Current release

3.4.2, February 2024

7.x

License

Commercial or Open Source

Open Source

GPL v2.0

commercial

Cloud-based only

Only available as a cloud service

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Database as a Service

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Implementation language

Server operating systems

Any that supports .NET

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

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

.Net

Supported programming languages

.Net

Server-side scripts

Stored procedures

user defined functions

Triggers

yes

Callbacks are triggered when data changes

Partitioning methods

Methods for storing different data on different nodes

yes

based on PostgreSQL

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

yes

based on PostgreSQL

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

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

yes

based on PostgreSQL

Based on Windows Authentication

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