http://blog.sina.com.cn/s/blog_54b09dc901008cs0.html 一、目的: Oracle 系统中的profile可以用来对用户所能使用的数据库资源进行限制,使用 Create Profile命令创建一个Profile,用它来实现对数据库资源的限制使用,如果把该profile分配给用户,则该用户
http://blog.sina.com.cn/s/blog_54b09dc901008cs0.html
一、目的:
Oracle 系统中的profile可以用来对用户所能使用的数据库资源进行限制,使用 Create Profile命令创建一个Profile,用它来实现对数据库资源的限制使用,如果把该profile分配给用户,则该用户所能使用的数据库资源都在该 profile的限制之内。
二、条件:
创建profile必须要有CREATE PROFILE的系统权限。
为用户指定资源限制,必须:
1.动态地使用alter system或使用初始化参数resource_limit使资源限制生效。该改变对密码资源无效,密码资源总是可用。
SQL> show parameter resource_limit
NAME
———————————— ———– ——————————
resource_limit
SQL> alter system set resource_limit=true;
系统已更改。
SQL> show parameter resource_limit;
NAME
———————————— ———– ——————————
resource_limit
SQL>
2.使用create profile创建一个定义对数据库资源进行限制的profile。
3.使用create user 或alter user命令把profile分配给用户。
三、语法:
<span><span> <wbr> <wbr> <wbr> <wbr> CREATE PROFILE profile </wbr></wbr></wbr></wbr></span>LIMIT { resource_parameters<span> | password_parameters } [ resource_parameters | password_parameters ]… ;</span></span>
<em><resource_parameters></resource_parameters></em>
<span>{{ SESSIONS_PER_USER | CPU_PER_SESSION | CPU_PER_CALL | CONNECT_TIME | IDLE_TIME | LOGICAL_READS_PER_SESSION | LOGICAL_READS_PER_CALL | COMPOSITE_LIMIT } { integer | UNLIMITED | DEFAULT } | PRIVATE_SGA { integer [ K | M ] | UNLIMITED | DEFAULT }}</span>
<span>{{ FAILED_LOGIN_ATTEMPTS | PASSWORD_LIFE_TIME | PASSWORD_REUSE_TIME | PASSWORD_REUSE_MAX | PASSWORD_LOCK_TIME | PASSWORD_GRACE_TIME } { expr | UNLIMITED | DEFAULT } | PASSWORD_VERIFY_FUNCTION<span> { function | NULL | DEFAULT }</span></span>}
四、语法解释:
五、举例:
用户已更改。
用户已更改。

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