Bug Explanation The bug occurs when a subquery or function used in the WHERE clause returns more than one row. The database engine is expecting a scalar result (a single TRUE or FALSE value) for each ...

SQL UPDATE Subquery Multiple Rows Bug This repository demonstrates a common error in SQL: using a subquery in an UPDATE statement's SET clause that returns more than one row. This typically leads to ...

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 ...