1
vote
1answer
32 views

Strategies for managing (and ultimately merging) duplicate business locations in a spatial database

I am working on a project right now that involves using multiple (very large) "location directories" to identify with the highest possible inclusiveness, a diverse set of business locations. These ...
0
votes
1answer
78 views

QGIS Value Map Edit Widget with properties dependent on another field

I'm having a problems with Edit Widgets in QGIS. I'm working on a GIS Database for archaeological data, where every site is represented by a polygon. In the attributes there is a field for the era ...
0
votes
2answers
128 views

creating one tree to many observations in qgis

Looking to create a database for QGIS where each point represents a tree (with name attribute) and another table of observations about each tree over time. Ideally I can update tree location in QGIS ...
3
votes
2answers
1k views

How to design a database for continents, countries, regions, cities and POIs?

I'm brand new to GIS programming and I am designing a GIS application. Target is to create system with continents, countries, regions (including states, sub-regions, provinces), cities and places in ...
3
votes
1answer
414 views

Sharding of geospatial data

Reading through Rosenberg & Mateos' The Cloud at Your Service I stumbled upon the concept of database sharding. Authors point out to several advantages of such approach including high (online) ...
13
votes
6answers
1k views

Is good database design less important for a spatial database

I have a strong feeling that database design and normalisation often comes in second hand when dealing with spatial data. With software costing a fortune and databases with over 100 fields tables I ...