Topic: Oracle Certified Professional Exams (OCP & OCA) >> single row functions(007)
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| Title: single row functions(007) |
| sathish |
Posted: Dec 27, 2006 03:32:51 AM |
Total Post: 47
Joined: Mar, 2006
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Which four are attributes of single row functions? (Choose four.)
A. cannot be nested
B. manipulate data items
C. act on each row returned
D. return one result per row
E. accept only one argument and return only one value
F. accept arguments which can be a column or an expression
Ans
B,C,D and E (is this correct). |
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 Jayanta |
| Posted: Dec 27, 2006 03:59:14 AM |  |
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Total Post: 479
Joined: Feb, 2006
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accept only one value is wrong because concat(col1/expr1,col2/expr2) is an example of single row function which accepts more than one value.
so options a and e are wrong and the rest r true.
hope this will help.
wiyh regards
jayanta
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