If I follow correctly, the "Insert" line adds the value "1" to any record that matches "ABC". The loop then goes through all the records looking for a "1". If it finds a "1", then there must have been a record matching "ABC", so "ABC" is a duplicate.
Or something like that.
__________________
'He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.'
-TJ
|