We are using a mailing list software (arpReach), the list is 75k subscribers, but only 5-7 k is active, so we need to perform a database action to get user who have not ever open any email, and we add them to another group
this can't done from the software itself because technical issue of the server
so you have to work with the SQL
25 freelancers are bidding on average £15 for this job
I am a professional SQL developer. Having work experience in SQL, MySQL and Oracle. Your Work needs only one query. Delete from table where emial=not_open. For quality work in less time and price lets discuss.