<SQL terminal character> ::= <SQL language character>
<SQL language character> ::= <simple Latin letter>
| <digit>
| <SQL special character>
<simple Latin letter> ::= <simple Latin upper case letter>
| <simple Latin lower case letter>
<simple Latin upper case letter> ::=
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O
| P | Q | R | S | T | U | V | W | X | Y | Z
<simple Latin lower case letter> ::=
a | b | c | d | e | f | g | h | i | j | k | l | m | n | o
| p | q | r | s | t | u | v | w | x | y | z
<digit> ::=
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
<SQL special character> ::= <space>
| <double quote>
| <percent>
| <ampersand>
| <quote>
| <left paren>
| <right paren>
| <asterisk>
| <plus sign>
| <comma>
| <minus sign>
| <period>
| <solidus>
| <colon>
| <semicolon>
| <less than operator>
| <equals operator>
| <greater than operator>
| <question mark>
| <left bracket>
| <right bracket>
| <circumflex>
| <underscore>
| <vertical bar>
| <left brace>
| <right brace>
<space> ::= /*space character in character set in use
In ASCII it would be 40*/
<double quote> ::= "
<percent> ::= %
<ampersand> ::= &
<quote> ::= '
<left paren> ::= (
<right paren> ::= )
<asterisk> ::= *
<plus sign> ::= +
<comma> ::= ,
<minus sign> ::= -
<period> ::= .
<solidus> ::= /
<colon> ::= :
<semicolon> ::= ;
<less than operator> ::= <
<equals operator> ::= =
<greater than operator> ::= >
<question mark> ::= ?
<left bracket> ::= [
<right bracket> ::= ]
<circumflex> ::= ^
<underscore> ::= _
<vertical bar> ::= |
<left brace> ::={
<right brace> ::=}
<separator> ::= { <comment> | <space> | <newline> }...
<token> ::= <nondelimiter token>
| <delimiter token>
<nondelimiter token> ::= <regular identifier>
| <key word>
| <unsigned numeric literal>
|