You can perform this task in 2 ways.
One is using
Type the command
\l), and Postgres will show you the list of databases (and templates):
In this case, the databases list is
template1 are templates.
Templates are templates for new databases, and you can use them to pre-populate new databases using the syntax
CREATE DATABASE databasename TEMPLATE template0.
By default, the template used when creating a new database using
CREATE DATABASE databasename is
It’s a topic that does not matter now, but I just want you to know what templates are.
A more advanced view, which includes the disk size of each single database, can be retrieved using
The other way to list databases is by using a SQL query.
SELECT datname FROM pg_database WHERE datistemplate = false;
This will list databases, excluding templates:
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