Food Cart Accounting System (FOCAS) is maintaining products in the products table, and wants to see the products which are 50 or more than 50 short of the minimum stock limit. The structure of the Products table is:
        ProductID
        ProductName
        CurrentStock
        MinimumStock

Two possible queries are:

Query 1:select * from products where currentStock>MinimumStock+50

Query 2:select * from products where currentStock-50>MinimumStock

Which of the following is correct?

John Mark, an administrator, wants to set the Web server so that it will not show a directory listing if a user requests a page which is a directory. Which modification should he set up in the httpd.conf?

Correct way to check whether the cookie is set or not before retrieving the value from 'LoginCookie'?

Which is introduced in PHP5?

Which is correct with regard to indexes in MySql?

Which can be used to implement data validation while creating a table in MySql?

Which of the following is NOT a valid unix env variable?

Which of the following Linux command can be used to output the shared library dependencies ?

Which of the following Linux command outputs the processor architecture ?

Which of the following command can be used to shutdown an already running MySQL server?

Who clears a session files on server?