When using the SUM() function in DB2, NULL values in the column are ________ in the calculation.
- Counted
- Ignored
- Treated as Zero
- Excluded
The correct option is "Ignored". When using the SUM() function in DB2, NULL values in the column are ignored in the calculation. Only non-NULL values are summed up. It's essential to be aware of this behavior when performing calculations with SUM().
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