数据仓库服务 GAUSSDB(DWS)-ALTER USER:语法格式

时间:2024-04-18 16:25:17

语法格式

  • 修改用户的权限等信息。
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    ALTER USER user_name [ [ WITH ] option [ ... ] ];
    

    其中option子句为。

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    { CREATEDB | NOCREATEDB }
        | { CREATEROLE | NOCREATEROLE }
        | { INHERIT | NOINHERIT }
        | { AUDITADMIN | NOAUDITADMIN }
        | { SYSADMIN | NOSYSADMIN }
        | { USEFT | NOUSEFT }
        | { LOGIN | NOLOGIN }
        | { REPLICATION | NOREPLICATION }
        | {INDEPENDENT | NOINDEPENDENT}
        | {VCADMIN | NOVCADMIN}
        | CONNECTION LIMIT connlimit
        | [ ENCRYPTED | UNENCRYPTED ] PASSWORD { 'password' | DISABLE }
        | [ ENCRYPTED | UNENCRYPTED ] IDENTIFIED BY { 'password' [ REPLACE 'old_password' ] | DISABLE }
        | VALID BEGIN 'timestamp'
        | VALID UNTIL 'timestamp'
        | RESOURCE POOL 'respool'
        | USER GROUP 'groupuser'
        | PERM SPACE 'spacelimit'
        | TEMP SPACE 'tmpspacelimit'
        | SPILL SPACE 'spillspacelimit'
        | NODE GROUP logic_cluster_name
        | ACCOUNT { LOCK | UNLOCK }
        | PGUSER
        | AUTHINFO 'authinfo'
        | PASSWORD EXPIRATION period
    
  • 修改用户名。
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    ALTER USER user_name 
        RENAME TO new_name;
    
  • 修改与用户关联的指定会话参数值。
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    ALTER USER user_name 
        SET configuration_parameter { { TO | = } { value | DEFAULT } | FROM CURRENT };
    
  • 重置与用户关联的指定会话参数值。
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    ALTER USER user_name 
        RESET { configuration_parameter | ALL };
    
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