How would a stored function named PI() written in the database 'sampdb' be called?

MySQL - Quiz(MCQ)

PI()

db.PI()

MySQL.PI()

sampdb.PI()

Correct Answer : PI()

Explanation : When a stored function is defined with the same name as a built in function, the function name should be qualified with the database name when it is invoked. The function ‘PI()’ is built in.

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What is the shebang line?

Correct Answer : #!

Explanation : The Perl scripts are text files, which can be ceated using any text editor. All Perl scripts generally begin with a #! (shebang) line. A script is a file containing a sequence of commands.

The line that is written at the top of the script to write a Perl script using CGI.pm is ______

use CGI

put CGI

include CGI

use this CGI

Correct Answer : use CGI

Explanation : In order to write a Perl script that uses the ‘CGI.pm’ module, a ‘use CGI’ statement is included near the beginning of the script that imports the function names of the module.

What does CGI stand for?

Computer Gateway Interface

Computer Generated Interface

Common Generated Interface

Common Gateway Interface

Correct Answer : Common Gateway Interface

Explanation : The ‘CGI.pm’ module is so called because it helps write scripts that use the ‘Common Gateway Interface’ protocol which defines how a web server communicates with other programs.