An SQL parser, generated from Bison (Yacc) and Flex (Lex).

Original version - most of the work - comes from John Levine's
Flex & Bison book published by O'Reilley.

Example usage:

	$ echo "SELECT a.name,b.address FROM people ORDER BY name;" | ./sql

Standard GNU autotools building instructions:

	$ ./autogen.sh
	$ ./configure
	$ make && make check
	$ sudo make install