PG_AVAILABLE_EXTENSION_VERSIONS

PG_AVAILABLE_EXTENSION_VERSIONS displays extension versions of certain database features. This view is for internal use only. You are advised not to use it.

**Table 1** PG_AVAILABLE_EXTENSION_VERSIONS columns
Name	Type	Description
name	name	Extension name.
version	text	Version name.
installed	boolean	Specifies whether this extension version is installed.
superuser	boolean	Specifies whether only system administrators are allowed to install the extension.
relocatable	boolean	Specifies whether the extension can be relocated to another schema.
schema	name	Name of the schema that the extension must be installed into (NULL if the extension is partially or fully relocatable).
requires	name[]	Names of prerequisite extensions (NULL if none).
comment	text	Comment from the extension's control file.