Perl cgi script for validating and updating database
If you are experienced enough in these technologies, you can skip directly to the instructions section. So are not any encryption methods for saving the user's password.
To update data in a table, you use the UPDATE statement.For most of these activities the user typically needs to register and then log in to the Web site.These basic features require special care; they need to be simple, fast and secure for the user.As long as they do not mangle the special tags or change form variable names, your code will still work, providing your code worked in the first place.: P Ok, confesion - I wrote a script that dumped my mp3 files' ID3 tags into a database table for this tutorial.Connecting to a database is a very common task for cgi scripts but it can be a very involved process.
Below we'll step through connecting to, inserting into and querying a database and displaying back the results.
Those drivers are compiled together with the C client libraries of the respective database engines. | |---| XYZ Driver |---| XYZ Engine | | Perl | | | `--------------' `-------------' | script| |A| |D| .--------------. | using |--|P|--|B|---|Oracle Driver |---|Oracle Engine| | DBI | |I| |I| `--------------' `-------------' | API | | |... Then use the second one to insert a few people in the table. He likes to write automated tests and refactor code.
In case of SQLite, of course all the database engine gets embedded in the perl application. Finally use the last example to extract some data from the database and print it out.
Since the beginning of the WWW, the developers try to equip their Web sites with new features and widgets to attract the users' attention and make the life much easier for them by applying the latest technologies.
Nowadays, an average Web user, among other activities, shops, searches for information, registers to forums and communities, plays online games and communicates with the other users on the Internet.
You use the following steps to update data in a My SQL table by using DBI: First, connect to the My SQL database by using the #!