Separating data from sde repository in multiple geodatabase

Hi expert,

I am setting up multiple geodb in one oracle instance... Here is what I do:

1. Do create enterprise geodatabase for user SDE first
2. Create enterprise geodatabase for user ADMINGEODB1
3. Create enterprise geodatabase for user ADMINGEODB2

The last 2 commands will populate ADMINGEODBX with SDE System Tables.
Question is: How can I separate my own data from SDE System Tables in geodb ADMINGEODB1 and ADMINGEODB2 ?

Thanks