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OCP考试题库:11g-1Z0-051-v9.02-017题

OCP考试题库:11g-1Z0-051-v9.02-017题,完整题库请点击这里联系老师咨询了解

17. View the E xhibit and examine the data in the EMPLOYEES table.

You want to generate a report showing the total compensation paid to each employee to date.

You issue the following query:

SQL>SELECT ename ' joined on ' hiredate

', the total compensation paid is '

TO_CHAR(ROUND(ROUND(SYSDATE-hiredate)/365) * sal + comm)

"COMPENSATION UNTIL DATE"

FROM employees;

What is the outcome?

A. It generates an error because the alias is not valid.

B. It executes successfully and gives the correct output.

C. It executes successfully but does not give the correct output.

D. It generates an error because the usage of the ROUND function in the expression is not valid.

E. It generates an error because the concatenation operator can be used to combine only two items.


此题答案选C

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