What is the size limit for strings in php?

Which ID always has a *nix superuser ?

What is SESSION in PHP?

How to use other/additional extensions/file types for PHP scripts, instead of using just .php?

What will be the output of command mysqladmin -u root -p create TEST?

Which of the following is an INVALID column in user table in mysql database?

Consider the following sample code: $x = 0xFFFE; $y = 2; $z = $x && $y; What will be the value of $z?

rpm -Uvh filename- 1.2-2.i386.rpm can be used to install an RPM package. What functions does it perform?

To start the MySql server in Linux, you type the following from the command line: bin/safe_mysqld & What does the '&' mean in the command mentioned above?

Which queries will correctly retrieve the ages and addresses of those students who have been studying in the school for the last 2 years?

Read the following statement: select * from Orders where OrderID=(select OrderID from OrderItems where ItemQty>50) Which correctly defines the error in the code given above?