Database-Lab-Exam/labtest_a1.html at main · ZobayerAbedin/Database-Lab-Exam · GitHub

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<!DOCTYPE html>
<html>

<head>
	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css"
		integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

	<title>Lab Test 01</title>
	<style>
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</head>

<body>
	<h1>CSE 3110: Database Systems Laboratory - Lab Test 01 <br>
		Time: 30 min
	</h1>
	<p>Instruction: <mark>You have to write all the commands in a script file. Save the file using your Roll number (ex. 1907018.sql)</mark></p>

	<div style="max-width: 800px; margin: 0 auto;">
		<h2>Table Description</h2>
		<table class="table table-hover">
			<tr>
				<th>Table Name</th>
				<th>Columns</th>
			</tr>
			<tr>
				<td>Departments</td>
				<td>department_id <br> name</td>
			</tr>
			<tr>
				<td>Employees</td>
				<td>employee_id<br>first_name<br>last_name<br>email<br>hire_date<br>department_id</td>
			</tr>
			<tr>
				<td>Salaries</td>
				<td>employee_id<br>salary<br>from_date<br>to_date</td>
			</tr>
		</table>
		<ul class="list-group">
			<li class="list-group-item list-group-item-primary">The Departments table has 2 columns: department_id and
				name.
				<ul>
					<li class="list-group-item list-group-item-secondary">The department_id column is an integer column
						that is set as the primary key of the table.</li>
				</ul>
			</li>
			<li class="list-group-item list-group-item-primary">The Employees table has 6 columns: employee_id,
				first_name, last_name, email, hire_date, and
				department_id.
				<ul>
					<li class="list-group-item list-group-item-secondary">The employee_id column is an integer column
						and is set as the primary key of the table.</li>
					<li class="list-group-item list-group-item-secondary">The department_id column is an integer column
						that is a foreign key referencing the
						department_id column in the Departments table.</li>
				</ul>
			</li>
			<li class="list-group-item list-group-item-primary">The Salaries table has 4 columns: employee_id, salary,
				from_date, and to_date.
				<ul>
					<li class="list-group-item list-group-item-secondary">The employee_id column is an integer column
						that is a foreign key referencing the employee_id
						column in the Employees table.</li>
					<li class="list-group-item list-group-item-secondary">The from_date column is a DATE column that
						stores the start date for the salary record. This
						column, together with employee_id, forms the primary key of the table.</li>
				</ul>
			</li>
		</ul>
		<img src="departments.png" class="img-fluid" alt="Department">
		<img src="employees.png" class="img-fluid" alt="Employees">
		<img src="salaries.png" class="img-fluid" alt="Salaries">
		<h2>Queries</h2>


		<ul class="list-group">
			<li class="list-group-item list-group-item-action active">Question</li>
			<li class="list-group-item">1)Insert above data for each table.</li>
			<li class="list-group-item">2)Retrieve the first name, last name, email, department name, and salary of all
				employees who work in the Sales department.</li>
			<li class="list-group-item">3)Retrieve the average salary of all employees in the company.</li>
			<li class="list-group-item">4)Retrieve the name of the department with the highest average salary.</li>
			<li class="list-group-item">5)Retrieve the first name, last name, email, and total salary of all employees
				hired in 2022.</li>
			<li class="list-group-item">6)Retrieve the first name, last name, email, and salary of the employee with the
				highest salary.</li>
			<li class="list-group-item">7)Retrieve the first name,last name and email of employee which department name
				contains with "ng".</li>
		</ul>

	</div>
	<div>
		<div id="app"></div>
	</div>
	<script>
		const FULL_DASH_ARRAY = 283;
		const WARNING_THRESHOLD = 10;
		const ALERT_THRESHOLD = 5;

		const COLOR_CODES = {
			info: {
				color: "green"
			},
			warning: {
				color: "orange",
				threshold: WARNING_THRESHOLD
			},
			alert: {
				color: "red",
				threshold: ALERT_THRESHOLD
			}
		};

		const TIME_LIMIT = 1800;
		let timePassed = 0;
		let timeLeft = TIME_LIMIT;
		let timerInterval = null;
		let remainingPathColor = COLOR_CODES.info.color;

		document.getElementById("app").innerHTML = `
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		function formatTime(time) {
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		function setRemainingPathColor(timeLeft) {
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				document
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				document
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		function calculateTimeFraction() {
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</body>

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