create_user_statement 

<create_user_statement> ::=
  CREATE USER <
user_name> PASSWORD <password>
    [<
user_mode>]
    [PERMLIMIT <
unsigned_integer>]
    [TEMPLIMIT <unsigned_integer>]
    [TIMEOUT <unsigned_integer>]
    [COSTWARNING <unsigned_integer>]
    [COSTLIMIT <unsigned_integer>]
    [[NOT] EXCLUSIVE]
| CREATE USER <user_name> PASSWORD <password> LIKE <
source_user>
| CREATE USER <user_name> PASSWORD <password> USERGROUP <
usergroup_name>