PG_DESCRIPTION

PG_DESCRIPTION records optional descriptions (comments) for each database object. Descriptions of many built-in system objects are provided in the initial contents of PG_DESCRIPTION.

See also PG_SHDESCRIPTION, which performs a similar function for descriptions involving objects that are shared across a database cluster.

**Table 1** PG_DESCRIPTION columns
Column	Type	Reference	Description
objoid	OID	Any OID column	OID of the object this description pertains to
classoid	OID	PG_CLASS.oid	OID of the system catalog this object appears in
objsubid	Integer	-	For a comment on a table column, this is the column number (the objoid and classoid refer to the table itself). For all other object types, this column is 0.
description	Text	-	Arbitrary text that serves as the description of this object