EPLICATION | NOREPLICATION
    | BYPASSRLS | NOBYPASSRLS
    | CONNECTION LIMIT <em class="replaceable"><code>connlimit</code></em>
    | [ ENCRYPTED ] PASSWORD '<em class="replaceable"><code>password</code></em>' | PASSWORD NULL
    | VALID UNTIL '<em class="replaceable"><code>timestamp</code></em>'

ALTER USER <em class="replaceable"><code>name</code></em> RENAME TO <em class="replaceable"><code>new_name</code></em>

ALTER USER { <em class="replaceable"><code>role_specification</code></em> | ALL } [ IN DA