Increase the USER ID column length, USERID is a varchar2(10) in the table STATUSER -- Important

We need to increate the USERID column length from 10 to 30 in the table STATUSER table.

As per the security team request we have changed the userd id length policy on our organization. due to that user account mapping is impacted in STAT application.

Also LDAP authentication is not working for them, Please let me know how can we customize on this column adopt with new userid