NNSTAT的标签中有一些新的参数,其中一个参数允许用户控制用于获取或刷新一个或一组特定昵称的方法。
One of several new arguments in NNSTAT's signature allows the user to control the method to be used in obtaining or refreshing statistics for a particular nickname or set of nicknames.
因而 Policy 类提供了刷新所授予的一组权限并向调用 ProtectionDomain 返回这个刷新的权限的可能。
The Policy class thereby is given the option of refreshing the set of granted permissions and returning this refreshed set to the caller ProtectionDomain.
Design Advisor生成的输出文件包含一组ddl语句,用于创建MQT、刷新和更新MQT上的统计信息,以及在其上创建索引。
The output file generated by the Design Advisor contains a set of DDL statements that create MQTs, refresh and update statistics on the MQTs, and create indexes on them.
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