PostgreSQL 9.3.6 Documentation
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# 47.30. `pg_largeobject_metadata`

The catalog `pg_largeobject_metadata` holds metadata associated with large objects. The actual large object data is stored in `pg_largeobject`.

Table 47-30. `pg_largeobject_metadata` Columns

Name | Type | References | Description
--- | --- | --- | ---
`oid` | `oid` |  | Row identifier (hidden attribute; must be explicitly selected)
`lomowner` | `oid` | ``pg_authid`.oid` | Owner of the large object
`lomacl` | `aclitem[]` |  | Access privileges; see GRANT and REVOKE for details

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