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MY SQL Delete with Inner Join

Posted on 2014-02-16
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Last Modified: 2014-05-17
HI,  I have a query below which basically finds duplicates email addresses across 2 tables.  The results of this I would like to delete from the em_exclusion table.  I.e for every row that is returned from the below query I would like to delete from the exclusion table any row that has an email address duplicate with the em_subscriber table.

I have googled around for this and watched YouTube videos and cant find anything on deleting the results of an "Inner Join"

select * from activecampaign.em_exclusion
Inner join activecampaign.em_subscriber
ON em_exclusion.email = em_subscriber.email


Thanks  all
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Question by:ncomper
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Accepted Solution

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Guy Hengel [angelIII / a3] earned 500 total points
ID: 39863050
reading the technical reference:
http://dev.mysql.com/doc/refman/5.1/en/delete.html

you want to write it like this:
delete activecampaign.em_exclusion
from from activecampaign.em_exclusion
Inner join activecampaign.em_subscriber
ON em_exclusion.email = em_subscriber.email 

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Author Closing Comment

by:ncomper
ID: 39863069
Perfect thanks was missing that extra line much appreciated
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Expert Comment

by:stevejacob68
ID: 40071943
Hi,
Use this statement to delete emails
DELETE activecampaign.em_exclusion, activecampaign.em_subscriber from table_name1,table2
where (select * from activecampaign.em_exclusion inner join activecampaign.em_subscriber ON em_exclusion.email=em_subscriber.email)
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