Wikipedia also has more details on the limits of precision of 4 byte floats: Single Precision Floating Point. You can only store integers with less than 6 significant digits of precision with the guarantee that you won't suffer approximation. If you need the precision, make sure you choose a type that supports it, and be aware that floating point can get approximated different ways in different implementations that both comply with the same standard.

In reply to Re^2: Retrieve float number from mysql db by bitingduck
in thread OT: Retrieve float number from mysql db by Anonymous Monk

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