How to add PostGIS extension in PostgreSQL?
To add PostGIS extension in PostgreSQL, follow these steps:
- Step 1: Install the PostGIS package
- Step 2: Create a PostGIS enabled database
- Step 3: Add the PostGIS extension
- Step 4: Verify the installation
Here is a detailed explanation of each step:
Step 1: Install the PostGIS package
The first step is to install the PostGIS package on your system. You can use the following command to install it on Ubuntu:
sudo apt-get install postgis
If you are using a different operating system, please refer to the official documentation for the installation instructions.
Step 2: Create a PostGIS enabled database
Once the PostGIS package is installed, you need to create a new database and enable PostGIS in it. You can use the following commands to achieve this:
createdb mygisdatabase
psql -d mygisdatabase -c 'CREATE EXTENSION postgis;'
psql -d mygisdatabase -c 'CREATE EXTENSION postgis_topology;'
Replace 'mygisdatabase' with the name of your database.
Step 3: Add the PostGIS extension
Next, you need to add the PostGIS extension to your PostgreSQL installation. You can use the following command to achieve this:
psql -d mygisdatabase -c 'CREATE EXTENSION postgis;'
This command will add the PostGIS extension to your PostgreSQL installation.
Step 4: Verify the installation
Finally, you can verify the installation by running the following command:
psql -d mygisdatabase -c 'SELECT postgis_version();'
This command will return the version of PostGIS installed in your PostgreSQL database.
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