52.54. pg_tablespace

The catalog pg_tablespace stores information about the available tablespaces. Tables can be placed in particular tablespaces to aid administration of disk layout.

Unlike most system catalogs, pg_tablespace is shared across all databases of a cluster: there is only one copy of pg_tablespace per cluster, not one per database.

Table 52.54. pg_tablespace Columns

Column Type


oid oid

Row identifier

spcname name

Tablespace name

spcowner oid (references pg_authid . oid )

Owner of the tablespace, usually the user who created it

spcacl aclitem[]

Access privileges; see Section 5.7 for details

spcoptions text[]

Tablespace-level options, as " keyword=value " strings