oracle 12c new feature: Automatic Report Capturing Feature

As part of this feature, some monitoring SQLs are executed by MMON_SLAVE to identify the resource-intensive SQLs and
generate the SQL Monitoring report automatically for those SQLs. Those SQLs consume little more CPU and it is expected behavior being a new feature

ORACLE 12.1 New Feature: Valid Time Temporal

Valid Time Temporal 特性就是基于表上的两个时间类型的字段做为开始和结束时间实现数据的有效性逻辑显示控制,oracle 12.1版本引入, 对于表中的记录可以控制只显示在有效时间内或限制时间字段为NULL值时