1、账户锁定
FAILED_LOGIN_ATTEMPTS：用于指定连续登录的最大失败次数。
PASSWORD_LOCK_TIME：用于指定账户被锁定的天数。
03:34:13 SQL> create profile lock_account limit
03:36:51 2 failed_login_attempts 3
03:37:07 3 password_lock_time 10;
Profile created.
02:56:45 SQL> select profile ,resource_name ,limit from dba_profiles
02:57:20 2 where profile='LOCK_ACCOUNT';
PROFILE RESOURCE_NAME LIMIT
------------------------------ -------------------------------- ----------------------------------------
LOCK_ACCOUNT COMPOSITE_LIMIT DEFAULT
LOCK_ACCOUNT SESSIONS_PER_USER DEFAULT
LOCK_ACCOUNT CPU_PER_SESSION DEFAULT
LOCK_ACCOUNT CPU_PER_CALL DEFAULT
LOCK_ACCOUNT LOGICAL_READS_PER_SESSION DEFAULT
LOCK_ACCOUNT LOGICAL_READS_PER_CALL DEFAULT
LOCK_ACCOUNT IDLE_TIME DEFAULT
LOCK_ACCOUNT CONNECT_TIME DEFAULT
LOCK_ACCOUNT PRIVATE_SGA DEFAULT
LOCK_ACCOUNT FAILED_LOGIN_ATTEMPTS 3
LOCK_ACCOUNT PASSWORD_LIFE_TIME DEFAULT
LOCK_ACCOUNT PASSWORD_REUSE_TIME DEFAULT
LOCK_ACCOUNT PASSWORD_REUSE_MAX DEFAULT
LOCK_ACCOUNT PASSWORD_VERIFY_FUNCTION DEFAULT
LOCK_ACCOUNT PASSWORD_LOCK_TIME .0006
LOCK_ACCOUNT PASSWORD_GRACE_TIME DEFAULT
16 rows selected.
03:38:02 SQL> create user test identified by test;
User created.
03:38:11 SQL> alter user test profile lock_account;
User altered
02:59:09 SQL> SELECT USERNAME,PROFILE FROM DBA_USERS
02:59:18 2 WHERE USERNAME='TEST';
USERNAME PROFILE
------------------------------ ------------------------------
TEST LOCK_ACCOUNT
03:38:31 SQL> select username,account_status from dba_users
03:39:23 2 where username='TEST';
USERNAME ACCOUNT_STATUS
------------------------------ --------------------------------
TEST OPEN
03:40:00 SQL> CONN test/123
ERROR:
ORA-01017: invalid username/password; logon denied
Warning: You are no longer connected to ORACLE.
03:40:03 SQL> CONN test/123
ERROR:
ORA-01017: invalid username/password; logon denied
03:40:06 SQL> CONN test/123
ERROR:
ORA-01017: invalid username/password; logon denied
03:40:07 SQL> CONN test/123
ERROR:
ORA-28000: the account is locked
03:40:23 SQL> conn /as sysdba