PostGIS create spatial database

• First create a normal database , Don't repeat
• Add extensions to the created spatial database postgis, To store raster data, add extensions postgis raster

Methods to add extensions ：

• pgAdmin
  
  
• pg Command line

CREATE EXTENSION postgis
    SCHEMA public
    VERSION "3.1.2";

CREATE EXTENSION postgis_raster
    SCHEMA public
    VERSION "3.1.2";