A developer writes the following form.

<form method="GET" action="/search">

After the user submits it with the word "html" in the text box, the browser navigates to /search?query=html. Why does the submitted data appear in the URL?

A junior developer executes the following SQL statement:

<SQL>

DELETE FROM Employee;

What will be the result of this query?

Consider a relation R(StudentID, CourseID, Instructor, Grade) with the following functional dependencies:

• (StudentID, CourseID) → Grade
• CourseID → Instructor

Based on these dependencies, what is the highest normal form that relation R satisfies?

Consider the following HTML form and PHP code:

HTML

<form method="POST">

PHP

<?php

After submitting the form, no value is printed. What is the most likely reason?

Match each SQL query with its correct purpose.

A developer wants the user to pick exactly one option from a group of three. Which input configuration is correct?

<input type="radio" name="size" value="s"> Small

<input type="radio" name="size" value="m"> Medium

<input type="radio" name="size" value="l"> Large

What is printed by the following PHP script?

PHP

$user

= ["name" => "Sara", "age" => 21];

A developer creates the following HTML link:

<a href="page.html">Click here</a>

However, when the user clicks the link, nothing happens. What is the most likely reason?

Consider the following HTML link:

<a href="#">Go</a>

When a user clicks this link, the page scrolls to the top. Why does this happen?

A company database shows that each Employee works in exactly one Department, but each department has many employees.

What is the correct relationship?