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In: Computer Science

PHP/SQL Lab 1 Consider the banking example we used in the SQL in-class exercises: branch (branch-name,...

PHP/SQL Lab 1 Consider the banking example we used in the SQL in-class exercises:

branch (branch-name, branch-city, assets)

customer (customer-name, customer-street, customer-city)

account (account-number, branch-name, balance)

loan (loan-number, branch-name, amount)

depositor (customer-name, account-number)

borrower (customer-name, loan-number)

Write PHP code for the following problems:

1. Create a php file to display the names and cities of customers who have an account at Downtown branch from the web.

2. Create the corresponding html and php files so that a user can insert the following customer into the database from a web browser. After the insertion, display all the customers from the web. “Jane Doe”, “401 Rosemont Ave”, “Frederick” Submission:

Submit a softcopy of the html and php files and a document containing screenshots of web outputs with URL included for both problems

Expert Solution

1). ANSWER :

GIVENTHAT :

Answer 1:

<?php
// you have to give username,password and databasename of your SQL Server bellow
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// Retrive name and cities of customers who have an acount at Downtown branch
$sql = "select customer-name, customer-city from customer where customer-name in (select distinct customer-name from depositor, account where depositor.account-number=account.account-number and account.branch-name='Downtown')";
$result = $conn->query($sql);

if ($result->num_rows > 0)
{
// output result in each row
while($row = $result->fetch_assoc())
{
echo "Name: ". $row['customer-name']. " " . $row["customer-city"] . "<br>";
}
}

else
{
echo "0 results";
}

$conn->close();
?>

Answer 2:

HTML file

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>

<body>

<form name="form1" method="post" action="insert_ac.php">
<table width="366" border="5">
<tr>
<td> <strong>Enter Customer Name:</strong></td>
<td> <input type="text" name="name"> </td>
</tr>
<tr>
<td><strong> Enter Customer Street: </strong></td>
<td> <input type="text" name="street"></td>
</tr>
<tr>
<td><strong> Enter Customer City: </strong></td>
<td> <input type="text" name="city"> </td>
</tr>

</table>
</form>

</body>

</html>
</body>
</html>

PHP file ie PHP code to insert customer data into database File name : insert_ac.php

<?php

$host="localhost"; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name="test"; // Database name

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");

// Get values from form
$name=$_POST['name'];
$street=$_POST['street'];
$city=$_POST['city'];

// Insert data into mysql
$sql="INSERT INTO customer(customer-name, customer-street, customer-city)VALUES('$name', '$street', '$city')";
$result=mysql_query($sql);

// if successfully insert data into database, displays message "Successful".
if($result){
echo "Successful";
echo "<BR>";
echo "<a href='insert.php'>Back to main page</a>";
}

else {
echo "ERROR";
}
?>

<?php
// close connection
mysql_close();
?>

PHP code to display all customers from the database file name :displaycustomer.php

<?php

// you have to give username,password and databasename of your SQL Server bellow
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
// Retrieve all the customer information
$sql = "SELECT * FROM customer";
$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0)
{
// output data of each row
while($row = mysqli_fetch_assoc($result))
   {
       $customername=$row['customer-name'] ;
       $customerstreet=$row['customer-street'] ;
       $customercity=$row['customer-city'] ;
       echo $customername.",".$customerstreet.",".$customercity;
}
}

else
{
echo "0 results";
}

mysqli_close($conn);
?>

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