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Change wording of explanation about precision & scale of decimal numbers [ci skip]
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@ -102,8 +102,8 @@ module ActiveRecord
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# * <tt>:index</tt> -
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# Create an index for the column. Can be either <tt>true</tt> or an options hash.
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#
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# For clarity's sake: the precision is the number of significant digits,
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# while the scale is the number of digits that can be stored following
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# Note: The precision is the total number of significant digits
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# and the scale is the number of digits that can be stored following
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# the decimal point. For example, the number 123.45 has a precision of 5
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# and a scale of 2. A decimal with a precision of 5 and a scale of 2 can
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# range from -999.99 to 999.99.
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