If the QALIAS names a topic as its target (rather than a queue), then the user opening the QALIAS must have access to not only the alias queue, but also the topic.
如果QALIAS将一个主题(而不是一个队列)命名为其目标，则打开QALIAS的用户不仅需要拥有别名队列的访问权，还需要拥有对主题的访问权。
When the QALIAS is defined, there is no resource security check for the target of the alias.
一旦定义QALIAS，就不会对别名的目标进行任何资源安全性检查。
In other words, if you do not mind giving the alias PPMT_DB on the target server for the source PPMT_DB database, then you do not need to create a local alias on the source server.
换而言之，如果不想在目标服务器上为源ppmt_db数据库提供别名ppmt_db，就不必在源服务器上创建本地别名。
An alias destination can also be used to override some of the values specified on the target destination, such as default reliability and maximum reliability.
别名目的地还可以用于覆盖在目标目的地中指定的某些值，如缺省可靠性和最大可靠性。
Please note that adding this alias is not necessary if you do not want to use a different name for the source database on the target server.
请注意，如果您不想为目标服务器上的源数据库使用不同的名称，就不必要添加别名。
Please note that adding this alias is not necessary if you do not want to use a different name for the source database on the target server.
请注意，如果您不想为目标服务器上的源数据库使用不同的名称，就不必要添加别名。
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