I've got a task that's gonna require me to compare one table to another and remove the rows from the first table that are found in the second table that match email_address.

I'm running 4.0.20a-nt-log. The first table has 10 colomns and about 50K records, and the second table has 46 columns and has about 16K records.

I've attempted a number of selects that just sat and hung the computer. I know I must be doing something wrong. I figure I'll need to do a left join on it, but I've not had much experience with joins as such and I need a little assistance.

Can anyone help me work this out? If you need more info, let me know.

Ed

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