To completely delete Breezeview and delete all data:
Execute
/opt/lte/app/6.5.0.020/ncs-test/init-pm/dbscripts/initpmdb.sh -d
The database will be affected!
Are you sure you want to continue? [N/y]
y
Deleting database!
DROP DATABASE
DROP ROLE
DROP ROLE
DROP ROLE
DROP ROLE
Then
rm -Rf /opt/lte
and re-install breezeview using bv_6.5.0.022.24.5_install.bin or latest version.