Lachlan,
I want to identify the entries in the table where the email addresses are the same as another entry. Whatever else is in the record does not matter to me.
However, a second requirement for the query is that it show me the last duplicate instead of the first. This way I keep the first entries and remove subsequent ones.
Thanks, Jonathan Duncan
If you are willing to go with a PHP/MySQL solution as opposed to a pure MySQL one, try this:
1) Use that query to get a list of what Email Addresses are duplicated.
2) Now do a query with a WHERE Email=Duplicate-Email-Address and fetch the Primary Key.
3) Do a Delete by Primary Key for all rows fetched in 2 EXCEPT for those keys fetched in 1.
The sequence is that you do step 1, loop though the results one at a time (step 2) doing step 3 in that loop.
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