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今天在oracle數(shù)據(jù)庫中修改用戶密碼的時候發(fā)現(xiàn)了一個下面的規(guī)律
1 密碼只由字母組成,創(chuàng)建成功
SQL> alter user ics identified by password;
User changed.
2 密碼只由數(shù)字組成,創(chuàng)建成功
SQL> alter user ics identified by 123456;
User changed.
3 密碼由字母+數(shù)字組成,創(chuàng)建成功
SQL> alter user ics identified by password123;
User changed.
4 密碼由數(shù)字+字母組成,創(chuàng)建失敗
SQL> alter user ics identified by 1q2w3e;
ERROR at line 1:
ORA-00922: missing or invalid option
5 密碼由數(shù)字+密碼組成時,必須加雙引號才能成功
SQL> alter user ics identified by "1q2w3e";
User changed.
SQL> conn ics/1q2w3e
Connected.
創(chuàng)建用戶時候同理
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