To delete a connection
Open a command prompt and run oci dbtools connection
delete to delete the specified connection:
oci dbtools connection delete --connection-id <connection_ocid>
For example:
oci dbtools connection delete --connection-id ocid1.databasetoolsconnection.oc1.phx.example1example25qrlpo4agcmothkbgqgmuz2zzum45ibplooqtabwk3zz