This tutorial will show you how to access a mysql database using the PHP Data Objects interface, also known simply as PDO. One big advantage of using PDO versus other methods is the use of prepared statements which offers much better security than the mysql or mysqli libraries. Also PDO can connect to several different … Read more
Referential Integrity is when the rows from one table are “cross-referenced” and verified with those in another table. This tutorial will walk you through using MySQL to enforce this rule.
We have had a few tutorial that show how to display and add data to a MySQL database. Now I am going to show you how to edit a row in your database. In previous examples we setup a table whcih contains: ID, FName, LName and PHON. We will be retreiving the data, making changes, then updating the row in the database. This tutorial is design for the user to update there own information so we will only be editing row for this user.