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51.83. pg_seclabels
  The view pg_seclabels provides information about security labels. It as an easier-to-query version of the pg_seclabel catalog.
Table 51.84. pg_seclabels Columns
| Name | Type | References | Description | 
|---|---|---|---|
objoid | 
        oid | 
        any OID column | The OID of the object this security label pertains to | 
classoid | 
        oid | 
        pg_class.oid | 
        The OID of the system catalog this object appears in | 
objsubid | 
        int4 | 
        For a security label 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 zero. | 
       |
objtype | 
        text | 
        The type of object to which this label applies, as text. | |
objnamespace | 
        oid | 
        pg_namespace.oid | 
        The OID of the namespace for this object, if applicable; otherwise NULL. | 
objname | 
        text | 
        The name of the object to which this label applies, as text. | |
provider | 
        text | 
        pg_seclabel.provider | 
        The label provider associated with this label. | 
label | 
        text | 
        pg_seclabel.label | 
        The security label applied to this object. | 
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 https://www.postgresql.org/docs/10/view-pg-seclabels.html