Copy rows from one table to another, ignoring duplicates

Question

I have 2 tables (srcTable1 & destTable) that have identical schemas. I am trying to copy all rows from srcTable to destTable and ignore the duplicates. I thought I could

Answer 1

Something like this?:

INSERT INTO destTable
SELECT s.* FROM srcTable s
LEFT JOIN destTable d ON d.Key1 = s.Key1 AND d.Key2 = s.Key2 AND...
WHERE d.Key1 IS NULL