Sql decimal datatype

I'm using labview 7.1 with the database connectivity toolkit to interact with a sql server. One column is of the datatype float, but when I send 0.95, it stores 0.94999999. I've read about this before, but trying to use numeric or decimal causes a different problem. When the column is of one of these datatypes and I do a fetch of the data, nothing in that column comes back. I'm leaving the data as a variant in labview, so it isn't a conversion issue. I get just a blank variant box. It works only for float. And the other columns all work fine.
Are decimal and numeric types not supported by labview, and if so how do I get around the inaccuracy of float datatypes?

Fractional floating point numbers can often not be represented exactly in binary, even if they are nice and round in decimal.
0.95 for example is actually 0.949999999999999955(DBL) or 0.9499999880791(SGL). There is nothing wrong with that. You simply need to set your display to only show the desired number of significant digits.
ejoseph wrote:
Are decimal and numeric types not supported by labview, and if so how do I get around the inaccuracy of float datatypes?
There is no real inaccuracy. The difference between 0.94999999 and 0.95 is 0.00000001 or about 1 in 100000000! (This is just the diplayed part, the difference in real life is even less. Is your number really more precise that 52bits? (or 23bits for SGL).
LabVIEW Champion . Do more with less code and in less time .

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