=item * UNION, UNION ALL, and MINUS
-=item * INSERT INTO <table> SELECT ...
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-=item * INSERT INTO <table> SET ...
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-=item * UPDATE foo me SET bar = 1 FROM fnord f WHERE me.col1 = f.frobinator
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-=item * INSERT moves to using the SET terminology with Visitor dwimming
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=back
Convert INSERT and UPDATE into ->populate form.