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<a href="#xref-SQL%20language%20character"> <SQL language character> </a> ::=<br> <a href="#simple%20Latin%20letter"><simple Latin letter></a><br> | <a href="#digit"><digit></a><br> | <a href="#SQL%20special%20character"><SQL special character></a></p><p><a name="simple Latin letter"> </a><a href="#xref-simple%20Latin%20letter"> <simple Latin letter> </a> ::=<br> <a href="#simple%20Latin%20upper%20case%20letter"><simple Latin upper case letter></a><br> | <a href="#simple%20Latin%20lower%20case%20letter"><simple Latin lower case letter></a></p><p><a name="simple Latin upper case letter"> </a><a href="#xref-simple%20Latin%20upper%20case%20letter"> <simple Latin upper case letter> </a> ::=<br> <a href="#xref-A"> A </a> | <a href="#xref-B"> B </a> | <a href="#xref-C"> C </a> | <a href="#xref-D"> D </a> | <a href="#xref-E"> E </a> | <a href="#xref-F"> F </a> | <a href="#xref-G"> G </a> | <a href="#xref-H"> H </a> | <a href="#xref-I"> I </a> | <a href="#xref-J"> J </a> | <a href="#xref-K"> K </a> | <a href="#xref-L"> L </a> | <a href="#xref-M"> M </a> | <a href="#xref-N"> N </a> | <a href="#xref-O"> O </a> | <a href="#xref-P"> P </a> | <a href="#xref-Q"> Q </a> | <a href="#xref-R"> R </a> | <a href="#xref-S"> S </a> | <a href="#xref-T"> T </a> | <a href="#xref-U"> U </a> | <a href="#xref-V"> V </a> | <a href="#xref-W"> W </a> | <a href="#xref-X"> X </a> | <a href="#xref-Y"> Y </a> | <a href="#xref-Z"> Z </a></p><p><a name="simple Latin lower case letter"> </a><a href="#xref-simple%20Latin%20lower%20case%20letter"> <simple Latin lower case letter> </a> ::=<br> <a href="#xref-a"> a </a> | <a href="#xref-b"> b </a> | <a href="#xref-c"> c </a> | <a href="#xref-d"> d </a> | <a href="#xref-e"> e </a> | <a href="#xref-f"> f </a> | <a href="#xref-g"> g </a> | <a href="#xref-h"> h </a> | <a href="#xref-i"> i </a> | <a href="#xref-j"> j </a> | <a href="#xref-k"> k </a> | <a href="#xref-l"> l </a> | <a href="#xref-m"> m </a> | <a href="#xref-n"> n </a> | <a href="#xref-o"> o </a> | <a href="#xref-p"> p </a> | <a href="#xref-q"> q </a> | <a href="#xref-r"> r </a> | <a href="#xref-s"> s </a> | <a href="#xref-t"> t </a> | <a href="#xref-u"> u </a> | <a href="#xref-v"> v </a> | <a href="#xref-w"> w </a> | <a href="#xref-x"> x </a> | <a href="#xref-y"> y </a> | <a href="#xref-z"> z </a></p><p><a name="digit"> </a><a href="#xref-digit"> <digit> </a> ::=<br> <a href="#xref-0"> 0 </a> | <a href="#xref-1"> 1 </a> | <a href="#xref-2"> 2 </a> | <a href="#xref-3"> 3 </a> | <a href="#xref-4"> 4 </a> | <a href="#xref-5"> 5 </a> | <a href="#xref-6"> 6 </a> | <a href="#xref-7"> 7 </a> | <a href="#xref-8"> 8 </a> | <a href="#xref-9"> 9 </a></p><p><a name="SQL special character"> </a><a href="#xref-SQL%20special%20character"> <SQL special character> </a> ::=<br> <a href="#space"><space></a><br> | <a href="#double%20quote"><double quote></a><br> | <a href="#percent"><percent></a><br> | <a href="#ampersand"><ampersand></a><br> | <a href="#quote"><quote></a><br> | <a href="#left%20paren"><left paren></a><br> | <a href="#right%20paren"><right paren></a><br> | <a href="#asterisk"><asterisk></a><br> | <a href="#plus%20sign"><plus sign></a><br> | <a href="#comma"><comma></a><br> | <a href="#minus%20sign"><minus sign></a><br> | <a href="#period"><period></a><br> | <a href="#solidus"><solidus></a><br> | <a href="#colon"><colon></a><br> | <a href="#semicolon"><semicolon></a><br> | <a href="#less%20than%20operator"><less than operator></a><br> | <a href="#greater%20than%20operator"><greater than operator></a><br> | <a href="#equals%20operator"><equals operator></a><br> | <a href="#question%20mark"><question mark></a><br> | <a href="#underscore"><underscore></a><br> | <a href="#vertical%20bar"><vertical bar></a></p><p><a name="space"> </a><a href="#xref-space"> <space> </a> ::= <font color="red"> !! space character in character set in use </font></p><p><a name="double quote"> </a><a href="#xref-double%20quote"> <double quote> </a> ::= "</p><p><a name="percent"> </a><a href="#xref-percent"> <percent> </a> ::= %</p><p><a name="ampersand"> </a><a href="#xref-ampersand"> <ampersand> </a> ::= &</p><p><a name="quote"> </a><a href="#xref-quote"> <quote> </a> ::= '</p><p><a name="left paren"> </a><a href="#xref-left%20paren"> <left paren> </a> ::= (</p><p><a name="right paren"> </a><a href="#xref-right%20paren"> <right paren> </a> ::= )</p><p><a name="asterisk"> </a><a href="#xref-asterisk"> <asterisk> </a> ::= *</p><p><a name="plus sign"> </a><a href="#xref-plus%20sign"> <plus sign> </a> ::= +</p><p><a name="comma"> </a><a href="#xref-comma"> <comma> </a> ::= ,</p><p><a name="minus sign"> </a><a href="#xref-minus%20sign"> <minus sign> </a> ::= -</p><p><a name="period"> </a><a href="#xref-period"> <period> </a> ::= .</p><p><a name="solidus"> </a><a href="#xref-solidus"> <solidus> </a> ::= /</p><p><a name="colon"> </a><a href="#xref-colon"> <colon> </a> ::= :</p><p><a name="semicolon"> </a><a href="#xref-semicolon"> <semicolon> </a> ::= ;</p><p><a name="less than operator"> </a><a href="#xref-less%20than%20operator"> <less than operator> </a> ::= <</p><p><a name="equals operator"> </a><a href="#xref-equals%20operator"> <equals operator> </a> ::= =</p><p><a name="greater than operator"> </a><a href="#xref-greater%20than%20operator"> <greater than operator> </a> ::= ></p><p><a name="question mark"> </a><a href="#xref-question%20mark"> <question mark> </a> ::= ?</p><p><a name="underscore"> </a><a href="#xref-underscore"> <underscore> </a> ::= <a href="#xref-_"> _ </a></p><p><a name="vertical bar"> </a><a href="#xref-vertical%20bar"> <vertical bar> </a> ::= <font color="red">/* Nothing */</font> |</p><p><a name="SQL embedded language character"> </a><a href="#xref-SQL%20embedded%20language%20character"> <SQL embedded language character> </a> ::= <a href="#left%20bracket"><left bracket></a> | <a href="#right%20bracket"><right bracket></a></p><p><a name="left bracket"> </a><a href="#xref-left%20bracket"> <left bracket> </a> ::= [</p><p><a name="right bracket"> </a><a href="#xref-right%20bracket"> <right bracket> </a> ::= ]</p><p><a name="token"> </a><a href="#xref-token"> <token> </a> ::=<br> <a href="#nondelimiter%20token"><nondelimiter token></a><br> | <a href="#delimiter%20token"><delimiter token></a></p><p><a name="nondelimiter token"> </a><a href="#xref-nondelimiter%20token"> <nondelimiter token> </a> ::=<br> <a href="#regular%20identifier"><regular identifier></a><br> | <a href="#key%20word"><key word></a><br> | <a href="#unsigned%20numeric%20literal"><unsigned numeric literal></a><br> | <a href="#national%20character%20string%20literal"><national character string literal></a><br> | <a href="#bit%20string%20literal"><bit string literal></a><br> | <a href="#hex%20string%20literal"><hex string literal></a></p><p><a name="regular identifier"> </a><a href="#xref-regular%20identifier"> <regular identifier> </a> ::= <a href="#identifier%20body"><identifier body></a></p><p><a name="identifier body"> </a><a href="#xref-identifier%20body"> <identifier body> </a> ::= <a href="#identifier%20start"><identifier start></a> [ { <a href="#underscore"><underscore></a> | <a href="#identifier%20part"><identifier part></a> } ... ]
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