问题:
The EMPLOYEES table contains these columns:
You need to write a query that will produce these results:
1. Display the salary multiplied by the commission_pct.
2. Exclude employees with a zero commission_pct.
3. Display a zero for employees with a null commission value.
Evaluate the SQL statement:
What does the statement provide?()
A . All of the desired results
B . Two of the desired results
C . One of the desired results
D . An error statement
The EMPLOYEES table contains these columns:
You need to write a query that will produce these results:
1. Display the salary multiplied by the commission_pct.
2. Exclude employees with a zero commission_pct.
3. Display a zero for employees with a null commission value.
Evaluate the SQL statement:
What does the statement provide?()
● 参考解析
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