A fixed point number ( fixed_point_literal) is a numeric literal that specifies a number as a fixed point number.
<fixed_point_literal>::= [<sign>]<digit_sequence>[.<digit_sequence>] | [<sign>]<digit_sequence>. | [<sign>].<digit_sequence> <sign>::= + | - <digit_sequence>::= <digit>... <digit>::= 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
+123.12
1234.
FIXED
INT[EGER]
SMALLINT
Floating Point Number (floating_point_literal)