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Question: What will be the output of the following query?
SELECT DECODE(TRANSLATE('A','1234567890','1111111111'), '1','YES', 'NO' );

Answer: NO.
Explanation :
The query checks whether a given string is a numerical digit.



Category SQL Interview Questions & Answers - Exam Mode / Learning Mode
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Question: What will be the output of the following query?
SELECT DECODE(TRANSLATE('A','1234567890','1111111111'), '1','YES', 'NO' );

Answer:

NO.
Explanation :
The query checks whether a given string is a numerical digit. Source: CoolInterview.com


I have query regarding this. I guess the Translate part will give the result as 1111111111, and its a numerical digit.So answer should be Yes.
plz correct me , if I am wrong. Source: CoolInterview.com

Answered by: Jits | Date: 1/26/2010 | Contact Jits Contact Jits

actually the question is not perfect and the i think translate function is not perfectly used and also from where it will get the output atlest in question from dual will be there if from dual will add to the question the answer will be the "no" Source: CoolInterview.com

Answered by: jagan | Date: 3/14/2010 | Contact jagan Contact jagan

Error - From keyword not found when expected Source: CoolInterview.com

Answered by: Sekar | Date: 3/25/2010 | Contact Sekar Contact Sekar

SELECT DECODE(TRANSLATE('A','1234567890','1111111111'), '1','YES', 'NO' );
Translate 1st String dont have any numeric so how will replace with 1 so i think so its answer is 0. Source: CoolInterview.com

Answered by: Atul | Date: 3/27/2010 | Contact Atul Contact Atul

To Jit
Output of translate Query is 'A'
So that whole Query Gives Output 'NO' Source: CoolInterview.com

Answered by: Anamika | Date: 3/30/2010 | Contact Anamika Contact Anamika

Translate function first sees whether there is any numeric as there is no numeric it would return nothing so when the decode function gets the result of translate function it just search for '1' from the result as the result is nothing It would return 'No' only.So the answer is 'No' Source: CoolInterview.com

Answered by: Padmanaban | Date: 4/12/2010 | Contact Padmanaban Contact Padmanaban

Hi,

This translate part will give an output A since in the string A there are no 1234567890 so the replacement with 1s is not possible..so by default it will give A and then

The rest part is
DECODE('A','1','YES','NO');

That means search 1 in the expression A, but since 1 is not there in expression A so the result will be NO.

Hence the answer of the decode function is No..

I f u have any better answer then plz let me know. Source: CoolInterview.com

Answered by: Ankesh | Date: 4/20/2010 | Contact Ankesh Contact Ankesh

"No" Source: CoolInterview.com

Answered by: Ravivarma | Date: 4/21/2010 | Contact Ravivarma Contact Ravivarma

it return 'NO' Source: CoolInterview.com

Answered by: shalaj verma | Date: 5/1/2010 | Contact shalaj verma Contact shalaj verma

The Translate part the answer is 'A'.
DECODE(A,'1','YES','NO')HERE CHECKING
A=1,But not A=1 so the Answer Is ele part 'No' Source: CoolInterview.com

Answered by: senthilkumar | Date: 5/7/2010 | Contact senthilkumar Contact senthilkumar

SELECT DECODE(TRANSLATE('A','1234567890',' 1111111111'), '1','YES', 'NO' ) FROM DUAL;

TRANSLATE('A','1234567890','1111111111') gives the value as the same string 'A'. because the string is only A. there is no numbers like 1234567890 exist in the string. So no translation is done.

now the query is like DECODE('A','1','YES','NO')
IF THE FIRST VALUE i.e A is matches with 1 then it returns YES else it returns NO.
here A!=1 so ans is NO.
SUPPOSE IF THE QUERY IS LIKE THIS:
select DECODE(TRANSLATE('A','1234567890','1111111111'), 'A','YES', 'NO' ) FROM DUAL;
ANS:YES


Source: CoolInterview.com

Answered by: madhavi | Date: 5/25/2010 | Contact madhavi Contact madhavi

Answer will be NO
translate('A','1234567890','1111111111') will return 'A' and so decode wil return 'NO' Source: CoolInterview.com

Answered by: ruchi agarwal | Date: 5/30/2010 | Contact ruchi agarwal Contact ruchi agarwal

NO. Source: CoolInterview.com

Answered by: venkatesh | Date: 8/12/2010 | Contact venkatesh Contact venkatesh


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