New answers tagged database
The US Census Bureau has Gazetteer files: http://www.census.gov/geo/maps-data/data/gazetteer.html For each year, there is an accompanying webpage. Select "Zip Code Tabulation Areas", and you will see a download link for a file. For example, the 2013 file is named "2013_Gaz_zcta_national.zip", which unzips into a tab-separated file. The schema for this file ...
If you're familiar with SQL, probably the easiest way is to use the capabilities of the underlying SQLite database to "mount" one database onto another (or perhaps both source databases onto a new target database. The SQLite SQL command for this is ATTACH. Conceptually, you'd then SELECT / UPDATE from the source database table(s) into the target table. The ...
maybe this tutorial can help you: http://www.gistutor.com/quantum-gis/20-intermediate-quantum-gis-tutorials/34-working-with-your-postgis-layers-using-quantum-gis-qgis.html you can add new feature in your postgis layer using Qgis from editing tools in the Edit menu and editing attribute table using “Identify Features” tool and “Open Attribute Table”
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