Ricardos boss assigns him to improve the error-handling routine for the company’s PHP
application. The application uses a MySQL database. The application displays the error number,
but without an error message. Which PHP function should Ricardo use to return an error message
that could then be displayed?

Xavier needs a function to determine how many elements are in his array so that he can access all
the elements. Which PHP function should he use?

Which stage of the project management cycle involves testing and inspecting the product?

Consider the following memo:
To: Staff
From: Management
All applications through beta testing shall have errors reported to management. All error-handling
mechanisms should be coded in each subroutine and function after coding of that function is
completed.
What type of standard is being established in this memo?

Consider the following list:
; ie 3.0b
[Mozilla/2.0 (compatible; MSIE 3.0B; Windows 3.1)]
parent=IE 3.0
platform=Win31
vbscript=False
javascript=False
ActiveXControls=False
beta=True
What type of information does this list describe?

In PHP, the echo statement is used to perform which operation?

Where are objects with session or application scope usually created?

In a relational database, what is the formal name for a horizontal row of data representing a
record?

Consider the following SQL statement:
$tblStmt =
“CREATE TABLE Customer (Cl_Name CHAR(255),
Company CHAR(255),
Phone CHAR(255),
Cl_Id INT PRIMARY KEY AUTO_INCREMENT,”;
How many columns does this SQL statement create?

Which choice best describes the purpose of the param method of CGI.pm?