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I was studying an algorithm book that faced to the following sentence. Please describe it for me.
real (10,7): The real(10,7) data type denotes a real number with a precision of seven significant digits.
Thank you
REALis defined in the SQL standard as a binary floating-point type. However, AFAIK its precision is implementation-dependant (typically IEEE 754 single or double precision, i.e. your regular 32 or 64 bit floats). This may be a mistake in the book, or a proprietary extension of the standard.