Topic: Oracle Certified Professional Exams (OCP & OCA) >> Which two statements are true about WHERE and HAVING clauses? (Choose two)
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| Title: Which two statements are true about WHERE and HAVING clauses? (Choose two) |
| naidu |
Posted: Dec 27, 2006 09:45:09 AM |
Total Post: 85
Joined: Nov, 2006
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Which two statements are true about WHERE and HAVING clauses? (Choose two)
A. A WHERE clause can be used to restrict both rows and groups.
B. A WHERE clause can be used to restrict rows only.
C. A HAVING clause can be used to restrict both rows and groups.
D. A HAVING clause can be used to restrict groups only.
E. A WHERE clause CANNOT be used in a query of the query uses a HAVING clause.
F. A HAVING clause CANNOT be used in subqueries.
Answer:
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 Jayanta |
| Posted: Dec 27, 2006 10:57:41 AM |  |
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Total Post: 479
Joined: Feb, 2006
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| sabiri |
| Posted: Feb 20, 2007 07:44:16 AM | |
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Total Post: 1
Joined: Feb, 2007
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what do you think about this command ?
select deptno ,max(sal) from emp
group by deptno
having max(sal)>1 and deptno>20
/
DEPTNO MAX(SAL)
-------- ----------
30 2850
having limits group and rows
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