What are the differences between PHP and Visual Basic in terms of database manipulation and how can they affect data handling?

PHP is a server-side scripting language commonly used for web development, while Visual Basic is a programming language primarily used for building Windows applications. When it comes to database manipulation, PHP is typically used with MySQL or other databases through extensions like PDO or MySQLi, offering more flexibility and compatibility. On the other hand, Visual Basic often relies on ADO.NET or other data access technologies specific to Microsoft databases like SQL Server. These differences can affect data handling by influencing the way queries are written, data is retrieved, and transactions are managed. 

// PHP code snippet using MySQLi to connect to a database and retrieve data
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$database = "dbname";

// Create connection
$conn = new mysqli($servername, $username, $password, $database);

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}

// Query to retrieve data
$sql = "SELECT * FROM tablename";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
  // Output data of each row
  while($row = $result->fetch_assoc()) {
    echo "id: " . $row["id"]. " - Name: " . $row["name"]. "<br>";
  }
} else {
  echo "0 results";
}

$conn->close();
?>

Keywords

PHP Visual Basic database manipulation data handling differences

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