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Web Application Development 1

Showing 1-75 of 222 answers

<?php for($x=0;$x<=10;++$x) { print++$x; } ?>

123456789101112 Correct

A line of php code must end with a ?

Semicolon ( ; ) Correct

A NULL value is treated as a blank or 0.

False Correct

A subquery in an SQL SELECT statement

has a distinct form that cannot be duplicated by a join. Correct

A variable declared within a function.

local Correct

A way on how to print / display text on the screen.

echo Correct

AJAX is a programming language

It refers to a client-side script that communicates to and from a server/database without the need for a postback or a complete page refresh Correct

Ajax Stands for

Asynchronous JavaScript And XML. Correct

All text in a multiple line comment block is ignored?

True Correct

All text to the right of a single line comment is not ignored?

False Correct

All variables in PHP start with a $(dollar) sign?

True Correct

All variables in PHP start with which symbol?

$ Correct

An object-oriented computer programming language commonly used to create interactive effects within web browsers

JavaScript Correct

Andi Gutmans was the inventor of PHP.

False Correct

Area that can be specified by the cols and rows attributes, or even better; through CSS' height and width properties

textarea Correct

Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.

Integer, String Correct

Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?

asort() Correct

Assuming the table and fields below exists, what is wrong with the following mysql query example: mysql_query("INSERT INTO contacts (firstName, lastName, phoneNumber) VALUES ('Robert', 'Smith', '123-983-2929')");

Nothing, everything is fine Correct

Assuming the table and fields below exists, what is wrong with the following mysql query example: mysql_query("INSERT INTO contacts (firstName, lastName, phoneNumber) VALUES ('Robert', 'Smith')");

There are more fields than values Correct

Assuming the table and fields below exists, what is wrong with the following mysql query example: mysql_query("INSERT INTO contacts (firstName, lastName) VALUES ('Robert', 'Smith', '123-983-2929')");

There are more values than fields Correct

Can hold an unlimited number of characters, and the text renders in a fixed-width font.

Textarea Correct

Consider the following code snippet : var grand_Total=eval("10*10+5");

105 as an integer value Correct

Consider the following snippet code var string1 = "123"; var intvalue = 123; alert( string1 + intvalue );

123123 Correct

Converts text to uppercase

Upper() Correct

Element represents a control that presents a menu of options.

HTML select Correct

Facebook, wordpress uses php as script language.

True Correct

Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA';

SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); Correct

For maximum compatibility, you should use the shorthand form to create PHP scripts?

False Correct

Function is used to convert a human readable string to a Unix time.

strtotime() Correct

Function that is used to check whether a variable is set or not.

isset() Correct

Function that select database.

mysql_select_db(); Correct

Function trims all spaces from the right of a value

RTRIM() Correct

How do you start the shorthand form PHP scripting block?

<? … ?> Correct

How many single line commenting types are there?

2 Correct

Identification. Write your answer on the space provided. +, -, *, /, %, are all examples of what category of operators

arithmetic operators Correct

Identify if the statement if True or False. Write True if statement is true otherwise False php.org is the official php resource.

False Correct

If a PHP script opens a MySQL connection, the script will automatically close the connection after the script has finished executing?

True Correct

If a source file contains PHP code, what extension should be used?

php Correct

If I wanted to concatenate a word to a string variable I would use which symbol?

. Correct

If the variable $x = 10; , what will $x equal if it is incremented, that is, if I write $x++; what value will $x contain after it has been incremented?

11 Correct

If the variable $x = 11; , what will $x equal if it is incremented, that is, if I write $x++; what value will $x contain after it has been incremented?

12 Correct

In a LIKE clause, you can could ask for any value ending in "qpt" by writing

LIKE %qpt Correct

In an SQL SELECT statement querying a single table, the asterisk (*) means that:

all columns of the table are to be returned. Correct

In PHP you can use both single quotes ( ' ' ) and double quotes ( " " ) for strings

True Correct

In PHP, the only way to output text is with echo.

False Correct

In which positions PHP's indexed array begin?

0 Correct

Insert into employee _____ (1002,Jeiven,2000); In the given query which of the keyword has to be inserted ?

Values Correct

Is allowed us to collect data from the htm file and display to the php script.

$_POST Correct

Is the SQL statement correct or not. SELECT vend_name, prod_name, prod_price, vendors.vend_id, products.vend_id FROM vendors INNER JOINS products ON vendors.vend_id = products.vend_id;

No Correct

It refers to styles for your documents, including the design, layout and variations in display for different devices and screen sizes.

CSS Correct

It uses spec cols and rows attributes, or even better; through CSS' height and width properties.

textarea Correct

It's a function returns the Unix timestamp for a date.

mktime() Correct

It's a function that returns the lowest value in a column.

Min() Correct

It's a text function that returns convert string to lowercase

Lower() Correct

It's a time manipulation function that returns the current date.

CurDate() Correct

Its a client-side script that communicates to and from a server/database without the need for a postback or a complete page refresh

AJAX Correct

JavaScript Code can be called by using

Function/Method Correct

Joining values together (by appending them to each other) to form a single long value.

concatenate Correct

Look at the following code and determine what will be displayed in the browser: <?php echo "Hello World 1"; // echo "Hello World 2"; ?>

Hello World 1 Correct

Multiple Choice. Select the best answer How do you start the standard form PHP scripting block?

<?php … ?> Correct

Multiple Choice. Select the best answer How do you write "Hello World" in PHP

echo "Hello World"; Correct

MYSQL can be used to:

All of the above can be done by MYSQL. Correct

MySQL COUNT() function returns

a count of number of non-NULL values of a given expression Correct

MySQL runs on which operating systems?

Unix, Linux, Windows and others Correct

MySQL was invented in the year of

1994 Correct

Object is used to exchange data with a server behind the scenes.

XMLHttpRequest Correct

One of the main points of interaction between a user and a web site or application. They allow users to send data to the web site.

HTML forms Correct

One of the parameters to represent the day of the month

d Correct

Option buttons are also called Selection button

False Correct

Original developer of JavaScript?

Brendan Eich Correct

Original Name of JavaScript

LiveScript Correct

Originally PHP is known as "Personal Home Pages"

False Correct

Originally PHP is known as PHP: Hypertext Preprocessor (Personal Home Page)

False Correct

Other term use for Option buttons?

Radio buttons Correct

PHP 3 was released in 1998.

True Correct