Spatial databases
Geospatial data is vast and often resides in databases or data warehouses. Data stored in a filesystem is only accessible through your local computer and is limited to the speed and efficiency of your work space. Collecting and analyzing geographic information within storage systems of relationally structured data increases efficiency.
Spatial databases are optimized for storing and retrieving your data. Data stored in databases are accessed through client software. The client is a computer or hostname (where the database is located).
Next, the server listens for requests on a port. There are a variety of ports, but with PostgreSQL, the default is 5432
—but more on that later. The final pieces of information are about security and accessibility. You will select a username and password to access the database. Now, the client has all it needs to access the database. The data within a database is formatted as tables and resides with the host either locally...