Answer:
B. Crashing is not possible unless there are multiple critical tasks.
I've seen tractors on the roads... if that's what you're looking for.
Answer:
SELECT
COUNT(SN), SUM(TaxAmount)
FROM ORDERS
or
SELECT
COUNT(SN) AS NumOrder, SUM(TaxAmount) As TotalTax
FROM ORDERS
Explanation:
Finding it difficult to add my explanation. So, I used an attachment instead
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