PostgreSQL 9.3.20 Documentation
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# 47.44. `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 47-44. `pg_tablespace` Columns

Name | Type | References | Description
--- | --- | --- | ---
`oid` | `oid` |  | Row identifier (hidden attribute; must be explicitly selected)
`spcname` | `name` |  | Tablespace name
`spcowner` | `oid` | ``pg_authid`.oid` | Owner of the tablespace, usually the user who created it
`spcacl` | `aclitem[]` |  | Access privileges; see GRANT and REVOKE for details
`spcoptions` | `text[]` |  | Tablespace-level options, as "keyword=value" strings

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