问题:
Evaluate these two SQL statements:
What is true about them?()
A . The two statements produce identical results.
B . The second statement returns a syntax error.
C . There is no need to specify DESC because the results are sorted in descending order by default.
D . The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
Evaluate these two SQL statements:
What is true about them?()
● 参考解析
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