文档解释
ORA-04065: not executed, altered or dropped string
Cause: Attempt to execute a stored procedure that has been altered or dropped thus making it not callable from the calling procedure.
Action: Recompile its dependents.
ORA-04065:not executed, altered or dropped string 错误是由于无法找到指定包、过程、触发器或函数等PL/SQL对象产生的。