I'm having a bit of a problem with some SQL. I'm trying to do a match from one table to another. It works perfectly except for the last line. As soon as I add it NOTHING gets updated. I'm using SQL ...
A subselect used on the right-hand side of an = must probably return one row (one column, even). A subselect used on the right-hand side of an IN can probably return multiple rows (though presumably ...
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