PostgreSQL 8.2.22 Documentation
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# 43.50. `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 43-50. `pg_user` Columns

Name | Type | 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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