A new catalog entry is created for each externalroutine, referencing the binary of the original source routine.
为每个外部例程创建一个新的编目项，它们引用源例程的二进制代码。
2
If there is no pattern or mechanism to provide a lock free instruction sequence, a call is made to an externalroutine with the same parameters to be resolved at run time.
如果没有模式或机制，提供了一个无锁的指令序列，电话是一个具有相同参数的外部程序可以在运行时确定。
3
Users can look up the procedure attributes such as routine schema, specific name, number of parameters, deterministic, external action, and access level using the SYSCAT.ROUTINESFEDERATED catalog.