Only importing records where reords exists in one column
I want to join notes into a contact table using the left join function. I have e-mailaddress as the key and I am adding notes about the contact into an existing table. The problem is that in the outlook extract sometimes there are notes about a person but the e-mail address is missing. What happens then is the that note is being added onto all contacts in the data model.
I have added the table as an example. What will happen is that Call on Tuesday will be added onto all contacts in the contact list. I have tried to use the where exists function but it does not make a difference in the import.
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