文档解释
ORA-38479: creation of system trigger EXPFIL_RESTRICT_TYPEEVOLVE failed
Cause: The creation of system trigger EXPFIL_RESTRICT_TYPEEVOLVE failed due to missing Expression Filter dictionary tables.
Action: Try a clean installation again. If this error is ignored, the user will be able to evolve ADTs associated with the attribute set, thus causing spurious errors.
ORA-38479: creation of system trigger EXPFIL_RESTRICT_TYPEEVOLVE failed
详细说明：这表示不允许操作系统触发器EXPFIL_RESTRICT_TYPEEVOLVE的创建.
官方解释
常见案例
一般处理方法及步骤
1.使用”SHOW TRIGGER”查看当前的所有触发器，查看是否存在EXPFIL_RESTRICT_TYPEEVOLVE触发器，如果存在，那么必须执行DROP TRIGGER EXPFIL_RESTRICT_TYPEEVOLVE解决。
2.重新执行创建EXPFIL_RESTRICT_TYPEEVOLVE触发器语句，创建成功后，异常消失。
