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Money

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vmssanthosh
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Hi

Can someone explain what is money datatype..

select CONVERT(money,'1,0,0,0,0,0,0.0,0,0,1')


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VMSSanthosh
Jeff Moden
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Heh... "fuzzy, forgiving input" that disregards just about all currency marks other than the decimal point except when set to the European format where periods represent commas and a comma is the decimal point.

Look at it this way... "It's not a fault, it's a feature." ;-)

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See:

Using Monetary Data
Money and SmallMoney

Example:
SELECT $123.67





Paul White
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Kalegley
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MONEY is one of the data types supported in SQL Server. There are some interesting information about this.

Observation 1: Money datatype can accept up to four scale values.

DECLARE @money money
SET @money='$1,200.45679'
SELECT @money

which results to 1200.4567

Observation 2:
If the scales value exceeds 4 digits, it is rounded to four digits

DECLARE @money money
SET @money=1200.45679
SELECT @money

which results to 1200.4568

Observation 3: Money datatype is the only datatype that can accept formatted numbers

DECLARE @money money
SET @money='1,200.45679'
SELECT @money

Observation 4: If you use decimal , numeric or float you will get an error

DECLARE @money FLOAT
SET @money='1,200.45679'
SELECT @money

The error is

Msg 8114, Level 16, State 5, Line 3
Error converting data type varchar to float.

Observation 5:[b][/b] Money datatype can also accept currency symbols prefixed with a number

DECLARE @money money
SET @money='$1,200.45679'
SELECT @money

Observation 6: All commas are omitted in Money datatype

DECLARE @money money
SET @money='1,2,0,0.4,5,6,7,9'
SELECT @money

which results to 1200.4568

Thanks !!!
Koen Verbeeck
Koen Verbeeck
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Other noteworthy remarks:

when mixing the money datatype with other datatypes, precision issues can occur.

http://stackoverflow.com/questions/582797/should-you-choose-the-money-or-decimalx-y-datatypes-in-sql-server

However, using the money data type can lead to faster SSAS processing performance.



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CELKO
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The money datatypes were created by Sybase in the original SQL server for COBOL programmers. In COBOL, they have a PICTURE clause in their file declarations, which hold display formatting such as commas, currency signs, and decimal points.

Unlike SQL, COBOL is monolithic. The display formatting is done in the same program as the data and computations. But in SQL, we have a tiered architecture for data is passed to a presentation layer that should be doing this.

The money datatype also has arithmetic problems. It does the rounding at the wrong time and computations. This does not happen with DECIMAL(S,P) data.


http://blog.learningtree.com/en/is-money-bad-the-money-datatype-in-sql-server/

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