pg_description #The catalog pg_description stores optional descriptions (comments) for each database object. Descriptions can be manipulated with the COMMENT command and viewed with psql's \d commands. 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 52.19. pg_description Columns
| Column Type Description | 
|---|
| 
 The OID of the object this description pertains to | 
| 
 The OID of the system catalog this object appears in | 
| 
 For a comment on a table column, this is the column number (the  | 
| 
 Arbitrary text that serves as the description of this object | 
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