i trying select database 4000+ records , realize 800 of them not in database.
the following query returns 3 rows (emails) , 1 of them not on database yet, there way can list of not on database ?
select email email_list email in ('email1@test.com', 'email2@test.com', 'email3@test.com', 'email4@test.com');
thanks
use not exist
in clause:
...where not exists (query_to_get_the_unwanted_records)
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