SQL keywords, Transact-SQL extensions, and special characters such as the comparison operators > and <, can be represented only by 7-bit ASCII values A– Z, a –z, 0–9, and the following ASCII characters:
; |
(semicolon) |
( |
(open parenthesis) |
) |
(close parenthesis) |
, |
(comma) |
: |
(colon) |
% |
(percent sign) |
- |
(minus sign) |
? |
(question mark) |
’ |
(single quote) |
" |
(double quote) |
+ |
(plus sign) |
_ |
(underscore) |
* |
(asterisk) |
/ |
(slash) |
(space) |
|
< |
(less than operator) |
> |
(greater than operator) |
= |
(equals operator) |
& |
(ampersand) |
| |
(vertical bar) |
^ |
(circumflex) |
[ |
(left bracket) |
] |
(right bracket) |
\ |
(backslash) |
@ |
(at sign) |
~ |
(tilde) |
! |
(exclamation point) |
$ |
(dollar sign) |
# |
(number sign) |
. |
(period) |
