SQL Reference Contents
alter user -- alter user account information within a PostgreSQL instance
alter user username
[with password password]
[createdb
| nocreatedb ]
[createuser | nocreateuser ]
[in group group-1, ..., group-n]
[valid until ' abstime' ]
alter user is used to change the
attributes of a user's PostgreSQL account. For a detailed description of
each of the clause in the alter user statement, please see the create_user(l)
manual page. Please note that it is not possible to alter a user's usesysid
via the alter user statement. Also, it is only possible for the postgres
user or any user with read and modify permissions on pg_user to alter
user passwords.
If any of the clauses of the alter user statement are
omitted, the corresponding value in the pg_user relation is left unchanged.
This statement can be used to modify users created with createuser(1)
.
---
--- Change a user password
---
alter user tab with password hu8jmn3;
---
--- Change a user's valid until date
---
alter user tab valid until 'Jan
31 2030';
---
--- Give a user the ability to create other users.
---
alter user
tab createuser;
create_user(l)
, drop_user(l)
.
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