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DATABASE QUESTIONS

Posted Date: 11 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers

Posted By: ramya Member Level: Gold
Rating:

Points: 3

What are the differences between Get and post methods in form submitting?

The GET and POST methods differ in two ways.
The first is in how the data each is transmitting is sent to the server and the second is in the restrictions placed on the length of that data.

In how many ways we can retrieve the date in the result set of mysql using PHP?

For most SQL queries, the mysql_query function returns either true (success) or false (failure)

How can I execute a PHP script using command line?

you need to compile / install php as a CGI because when you have php as a CGI you have a binary you can execute from anywhere like a command prompt

If you use a unix like OS you should do:
/path/to/php -f /path/to/script.php

For windows OS's do:
c:\path\to\php.exe -f c:\path\to\script.php

The parameter -f is put on because we want to parse a file, the -f also implies -q which means you dont get any HTTP header output which in most cases is usefull when making command line scripts.

How can we submit a form without a submit button?

Trigger the JavaScript code on any event ...
document.myform.submit();
form gets submitted

How can we create a database using PHP and mysql?

mysql_create_db()

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