cdb中，CON_ID代表什么
发布时间：2021-09-02CON_ID
The ID of the container to which the data pertains. Possible values include:
•0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.
•1: This value is used for rows containing data that pertain to only the root
•n: Where n is the applicable container ID for the rows containing data
所以CON_ID =1 是rootcontainer，
