The list of all the queries

Extensions that are available but are not installed

Query goal: Try to use as much the possibilities of the DBMS as possible. On the other hand, do not install extensions that are not needed in order not to overcomplicate the database.
Query type: General (Overview of some aspect of the database.)
Query license: MIT License
Fixing suggestion: If you need an extension, then install it.
Data source: system catalog only
SQL query: Click on query to copy it

SELECT name, comment
FROM pg_catalog.pg_available_extensions
WHERE installed_version IS NULL
ORDER BY name;

SQL statements for generating SQL statements that help us to fix the problem

SQL queryDescription
SELECT format('CREATE EXTENSION %1$I;', name) AS statements
FROM pg_catalog.pg_available_extensions
WHERE installed_version IS NULL
ORDER BY name;
Install the extension in the current default object creation schema.

Collections where the query belongs to

Collection nameCollection description
Find problems by overviewQueries that results point to different aspects of database that might have problems. A human reviewer has to decide based on the results as to whether there are problems or not .

Categories where the query belongs to

Category nameCategory description
Comfortability of data managementQueries of this category provide information about the means that have been used to make the use or management of database more comfortable and thus, more efficient.
ExtensionsQueries of this category provide information about extensions in the database.

Reference materials for further reading

Reference
https://www.postgresql.org/docs/current/contrib.html

The list of all the queries