Topic: Oracle Certified Professional Exams (OCP & OCA) >> Which two are true about aggregate functions? (Choose two.)
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| Title: Which two are true about aggregate functions? (Choose two.) |
| naidu |
Posted: Dec 27, 2006 04:17:03 AM |
Total Post: 85
Joined: Nov, 2006
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Which two are true about aggregate functions? (Choose two.)
A. You can use aggregate functions in any clause of a SELECT statement.
B. You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement.
C. You can mix single row columns with aggrega functions in the column list of a
SELECT statement by grouping on the single row columns.
D. You can pass column names, expressions, constants, or functions as parameters to an aggregate function.
E. You can use aggregate functions on a table, only by grouping the whole table as one single group.
F. You cannot group the rows of a table by more than one column while using aggregate functions.
Answer:
Plz help me as soon as possible
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 Jayanta |
| Posted: Dec 27, 2006 04:50:08 AM |  |
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Total Post: 479
Joined: Feb, 2006
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| kash |
| Posted: Apr 05, 2007 02:36:09 AM | |
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Total Post: 10
Joined: Apr, 2007
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E. You can use aggregate functions on a table, only by grouping the whole table as one single group
I don't think E is the right answer you can use aggregate function without grouping e.g
select max(sal)
from emp;
Regards,
Albina
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| Jayanta |
| Posted: Apr 05, 2007 07:49:25 AM | |
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Total Post: 479
Joined: Feb, 2006
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here the whole table is working as a group.
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