ORA-01017 invalid username/password;logon denied" (密碼丟失解決方案)
1、先確認是否輸錯 用戶名和密碼
2、如果的確是丟失密碼的話:
查看ORACLE_BASE\ORACLE_HOME\NETWORK\ADMIN的sqlnet.ora文件
sqlnet.ora 如果是 SQLNET.AUTHENTICATION_SERVICES= (NONE) ,
需更改爲SQLNET.AUTHENTICATION_SERVICES= (NTS)
在SQL*Plus中執行如下命令:
SQL>conn/as sysdba (操作系統認證登錄)
SQL>alter user system account unlock;
SQL>alter user system identified by system; (回車後用戶system的密碼會更改爲system)
注意:在執行更改語句“SQL>alter user system identified by system; (回車後用戶system的密碼會更改爲system) ”的時候,如果所改的祕密爲一串數字的話,要用引號括起來哦~
eg:SQL>alter user system identified by “12345678”;