55.57. `pg_tablespace`
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## 55.57. `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 55.57. `pg_tablespace` Columns

Column Type Description
`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

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