数据字典及动态性能表-数据库-壹佰网 ERP100... ... select * from v$database;//打开的数据库 alter session set nls_language=american;//不可以访问 desc v$fixed_table//动态性能表 ...
基于1个网页-相关网页
A可以调用和访问b的元素，但B不可以访问A的元素。
通过使用ACL，可以更好地控制谁可以、谁不可以访问或执行文件或目录；这由按用户或组分配给文件的扩展权限决定。
Using ACL gives more control on who can and cannot access or execute a file or directory; that is determined by the extended permissions that can be given to a file on a user or group basis.
单一控制——交互可能全部都在提供其控制的业务领域内，不可以从该领域外部访问。
Sole governance — an interaction may lie wholly within the area of the business that provides its governance and not be accessible from outside of it.
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