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                            # ALTER USER



## Name

ALTER USER?--?修改一個數據庫角色。

## Synopsis

```
ALTER USER _name_ [ [ WITH ] _option_ [ ... ] ]

where `_option_` can be:

      SUPERUSER | NOSUPERUSER
    | CREATEDB | NOCREATEDB
    | CREATEROLE | NOCREATEROLE
    | CREATEUSER | NOCREATEUSER
    | INHERIT | NOINHERIT
    | LOGIN | NOLOGIN
    | REPLICATION | NOREPLICATION
    | CONNECTION LIMIT _connlimit_
    | [ ENCRYPTED | UNENCRYPTED ] PASSWORD '_password_'
    | VALID UNTIL '_timestamp_'

ALTER USER _name_ RENAME TO _new_name_

ALTER USER _name_ SET _configuration_parameter_ { TO | = } { _value_ | DEFAULT }
ALTER USER _name_ SET _configuration_parameter_ FROM CURRENT
ALTER USER _name_ RESET _configuration_parameter_
ALTER USER _name_ RESET ALL
```



## 描述

`ALTER USER`現在是[ALTER ROLE](#calibre_link-17)命令的別名（即兩者相同）。



## 兼容性

`ALTER USER`是PostgreSQL的擴展，SQL標準中還沒有完成用戶定義相關的語法。



## 參見

[ALTER ROLE](#calibre_link-17)








                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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