文档解释 ORA-27435: chain job terminated abnormally Cause: A chain job has ended abnormally. The error code for the running chain could not be retri……

文档解释 ORA-27431: chain string.string has a user-managed rule set Cause: An attempt was made to modify a rule set that is not managed by the Sched……

Linux系统的防火墙一直是展示Linux系统安全水平的表征，但在某些特定情况下我们还是需要禁用系统的某个或某些端口的防火墙，以下就介绍如何禁用Linux防火墙： ……

文档解释 ORA-27434: cannot alter chain step job string.string.string Cause: A step job of a running chain cannot be altered, only stopped or dropped……