Can a simple dash character introduce a security risk? Discover how SQL line comments can open the door to unexpected injection vulnerabilities in several PostgreSQL client libraries!

The MySQL server receives the database query, processes it, and sends the results—a list of books—back to the PHP engine. 5. The PHP engine finishes running the script.

Database developers have it tough. Whether they use SQL Server, Oracle, DB2, MySQL, PostgreSQL, or SQLite, the challenges are similar. It’s too easy to write queries that perform badly, that ...