ORA - Errors

ORA - Errors

Index:

1. ORA-01013 : user requested cancel of current operation
2. ORA-01102 : cannot mount database in EXCLUSIVE mode
3. ORA-03135 : connection lost contact


Reference Documents: 

1. E49325-06 :  Database Error Messages

PDF:  http://docs.oracle.com/database/121/ERRMG/E49325-06.pdf