Why is the output of rounding functions a double?

I thought the whole idea of rounding was ending up with an integer?
Bill
(Mid-Level minion.)
My support system ensures that I don't look totally incompetent.
Proud to say that I've progressed beyond knowing just enough to be dangerous. I now know enough to know that I have no clue about anything at all.

rolfk wrote:
It returns whatever datatype you input in it. Makes a whole lot of sense as anything else would require allocation of a new data value in memory.
Returning the same datatype sounds fine and dandy - until you think about it carefully (from the user experience side of it). Why would you put anything but a fractional number into it? So it's always going to return an approximation of an integer unless you actually plug an integer into it? It just seems silly - strictly from a user standpoint - that you have to take one more step to get an actual integer. To me, it's unexpected behavior, no matter how much sense it makes technically. Again, though - all you have to do is coerce it to whatever you need it to be and only generate a new data value only when you have to.
I feel a little like I'm X. right now.
Bill
(Mid-Level minion.)
My support system ensures that I don't look totally incompetent.
Proud to say that I've progressed beyond knowing just enough to be dangerous. I now know enough to know that I have no clue about anything at all.

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hi,
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Edited by: Srikkanth.M on Feb 16, 2012 4:41 PM

Srikkanth.M wrote:
Hi All,
I am using oracle Db 10g
I have write a function to get the output of Expire date and pass this function to Alert in oracle.
My Function is Like this
.. snip ..
exception
when others then
null;
Seriously? Your function contains an exception handler to mask any and all errors that may occur? WHY?
When i execute the function using select statement like this
SELECT distinct Expiry_alert(C_EXPIRY_DATE)
FROM xxbgs_bank_guarantee_master
WHERE TRUNC (TO_DATE (C_expiry_date)-15) =
TRIM (SYSDATE)
My output is like this
Bank Guarantee(100012,Parent Company Guarantee,1000,Advantage Corp)is getting expired on(02-MAR-12) Bank Guarantee(123890,Advance Bank Guarantee,1011,Office Supplies, Inc.)is getting expired on(02-MAR-12)
In a single line, But here i have two different Guarantee number so i need two records like this
Bank Guarantee(100012,Parent Company Guarantee,1000,Advantage Corp)is getting expired on(02-MAR-12)
Bank Guarantee(123890,Advance Bank Guarantee,1011,Office Supplies, Inc.)is getting expired on(02-MAR-12)
Can any one pls tell me how to change the function to achieve this.Sounds like you need a pipelined function to return multiple rows...
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( col1   VARCHAR2(10),
col2   VARCHAR2(10)
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SQL> select *
2 from table(pipedata('(1,2),(3,4),(5,6)'));
COL1       COL2
1          2
3          4
5          6of course why you need to do this in a function in the first place? Can't you just query the data concatenated as you want it?

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Message was edited by:
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Why is the output of rounding functions a double?

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