I\'ve got a MySQL table Researcher :
ID | FirstName | Surname | Email | Position | Summary | ... + many more columns.
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Thanks for pointing me in the right direction fancyPants.
I eventually solved it like this:
Researcher_Temp with columns from the CSV.Researcher_Temp Researcher_Temp into my main Researcher table:UPDATE Researcher
INNER JOIN Researcher_Temp on Researcher_Temp.Email = Researcher.Email
SET Researcher.Summary = Researcher_Temp.Summary;
I then deleted the Temp table.