Numeric Literal Syntax

The following syntax is used for numeric literals in ODBC.

<numeric literal> ::= <signed numeric literal> | <unsigned numeric literal>

<signed numeric literal> ::= [<sign>] <unsigned numeric literal>

<unsigned numeric literal> ::= <exact numeric literal> | <approximate numeric literal>

<exact numeric literal> ::= <unsigned integer> [<period>[<unsigned integer>]] | <period> <unsigned integer>

<sign> ::= <plus sign> | <minus sign>

<approximate numeric literal> ::= <mantissa> E <exponent>

<mantissa> ::= <exact numeric literal>

<exponent> ::= <signed integer>

<signed integer> ::= [<sign>] <unsigned integer>

<unsigned integer> ::= <digit>...

<plus sign> ::= +

<minus sign> ::= -

<digit> ::= 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0

<period> ::= .