数据仓库服务 GaussDB(DWS)-ALTER USER:语法格式

时间:2025-02-12 15:04:42

语法格式

  • 修改用户的权限等信息。
    1
    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 }    | {  LOG IN | 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。
    12
    ALTER USER user_name     RENAME TO new_name;
  • 修改与用户关联的指定会话参数值。
    12
    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。
    12
    ALTER USER user_name     RESET { configuration_parameter | ALL };
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