PostgreSQL 8.1.8 Documentation
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# 42.45. `pg_user`

The view `pg_user` provides access to information about database users. This is simply a publicly readable view of `pg_shadow` that blanks out the password field.

Table 42-45. `pg_user` Columns

Name | Type | References | Description
--- | --- | --- | ---
`usename` | `name` |  | User name
`usesysid` | `int4` |  | User ID (arbitrary number used to reference this user)
`usecreatedb` | `bool` |  | User may create databases
`usesuper` | `bool` |  | User is a superuser
`usecatupd` | `bool` |  | User may update system catalogs. (Even a superuser may not do this unless this column is true.)
`passwd` | `text` |  | Not the password (always reads as `********`)
`valuntil` | `abstime` |  | Password expiry time (only used for password authentication)
`useconfig` | `text[]` |  | Session defaults for run-time configuration variables

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