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Initial version 2017-01-21
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‎bnf2html.perl.txt

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‎bnf2html.pl

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‎bnf2yacc.perl.txt

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‎bnf2yacc.pl

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‎index.html

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<!-- @(#)$Id: index.html,v 1.8 2017/01/21 16:32:29 jleffler Exp $ -->
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<html>
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<head>
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<title> BNF Grammars for SQL-92, SQL-99 and SQL-2003 </title>
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</head>
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<body bgcolor="WHITE">
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<h1> BNF Grammars for SQL-92, SQL-99 and SQL-2003 </h1>
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<h2> SQL-92 </h2>
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Here is a heavily hyperlinked <a href="sql-92.bnf.html"> HTML </a>
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version of the BNF grammar for SQL-92 (ISO/IEC 9075:1992 - Database Language -
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SQL).
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The <a href="sql-92.bnf"> plain text </a> file from which it was
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automatically converted is more useful (read legible) for reading
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without a browser.
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<h2> SQL-99 </h2>
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Here is a heavily hyperlinked <a href="sql-99.bnf.html"> HTML </a>
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version of the BNF grammar for SQL-99 (ISO/IEC 9075-2:1999 - Database
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Languages - SQL - Part 2: Foundation (SQL/Foundation)).
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The <a href="sql-99.bnf"> plain text </a> file from which it was
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automatically converted is more useful (read legible) for reading
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without a browser.
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<h2> SQL-2003 </h2>
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<p>
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Here is a heavily hyperlinked <a href="sql-2003-2.bnf.html"> HTML </a>
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version of the BNF grammar for SQL-2003 (ISO/IEC 9075-2:2003 - Database
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Languages - SQL - Part 2: Foundation (SQL/Foundation)).
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The <a href="sql-2003-2.bnf"> plain text </a> file from which it was
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automatically converted is more useful (read legible) for reading
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without a browser.
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</p>
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<p>
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There is a separate file <a href="sql-2003-1.bnf.html"> HTML </a> for
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the information from ISO/IEC 9075-1:2003 - Database Languages - SQL - Part
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1: Framework (SQL/Framework).
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It was automatically converted from the <a href="sql-2003-1.bnf"> plain
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text </a> file, which is more useful (read legible) for reading without
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a browser.
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</p>
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<p>
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Also available:
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<bl>
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<li> <a href="sql-2003-core-features.html"> SQL 2003 Core Features </a> </li>
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<li> <a href="sql-2003-noncore-features.html"> SQL 2003 Non-Core Features </a> </li>
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</bl>
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<h2> Informix OUTER Join Syntax </h2>
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Here is an <a href="outer-joins.html"> HTML </a> explanation of the
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Informix OUTER join syntax.
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<h2> Conversion tools </h2>
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<p>
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The plain text was converted to HTML by the Perl script
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<a href="bnf2html.perl.txt"> bnf2html </a> which you may use if you wish.
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The bnf2html script also uses the C program
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<a href="webcode-1.09.tgz"> WEBCODE version 1.09 </a>
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which you can download as a gzipped tar file.
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</p>
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<p>
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See also <a href="bnf2yacc.perl.txt"> bnf2yacc </a>, an experimental
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script to convert BNF into an outline Yacc grammar.
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The generated grammar typically includes some unacceptable tokens, such
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as <i>%token 0</i>, that should be handled by the lexical analyzer
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rather than the grammar.
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The SQL standard includes such rules as grammar rules.
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</p>
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<p>
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<i>(The Perl scripts should normally be renamed after downloading.)</i>
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</p>
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<h2> Download </h2>
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You can download a gzipped tar file containing the raw grammars, the
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HTML versions of those grammars, and the conversion tools as the gzipped
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tar file <a href="sql-bnf.tgz"> sql-bnf.tgz </a>.
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<hr>
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Please send feedback to Jonathan Leffler, variously:
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<a href="mailto:jleffler@us.ibm.com"> jleffler@us.ibm.com </a> or
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<a href="mailto:jonathan.leffler@gmail.com"> jonathan.leffler@gmail.com </a>.
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<p>
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Last modified:
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21st January 2017
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</body>
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</html>

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