First, it depends on whether the index is clustered. Second, in case of a script that's apparently supposed to be run regularly and delete the old records, it's safe to assume that the number of records to delete will be small compared to the total number of record. 1/61 in case the script is run daily, 7/67 if weekly.

Jenda
Enoch was right!
Enjoy the last years of Rome.

In reply to Re^4: CGI Program To Delete Old Data From MySQL Table? by Jenda
in thread CGI Program To Delete Old Data From MySQL Table? by Milti

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