// Example: Handling Large Binary Objects (BLOBs) in MySQL using PHP
// Database connection
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// Inserting a BLOB
$filePath = 'path/to/your/largefile.jpg';
$fileData = file_get_contents($filePath);
$stmt = $conn->prepare("INSERT INTO files (file_name, file_data) VALUES (?, ?)");
$stmt->bind_param("sb", $fileName, $fileData);
$fileName = 'largefile.jpg'; // Name of the file to upload
$stmt->execute();
$stmt->close();
// Retrieving a BLOB
$stmt = $conn->prepare("SELECT file_data FROM files WHERE file_name = ?");
$stmt->bind_param("s", $fileName);
$stmt->execute();
$stmt->bind_result($fileData);
$stmt->fetch();
$stmt->close();
// Output the BLOB to a file
file_put_contents('output_' . $fileName, $fileData);
// Close connection
$conn->close();
How do I avoid rehashing overhead with std::set in multithreaded code?
How do I find elements with custom comparators with std::set for embedded targets?
How do I erase elements while iterating with std::set for embedded targets?
How do I provide stable iteration order with std::unordered_map for large datasets?
How do I reserve capacity ahead of time with std::unordered_map for large datasets?
How do I erase elements while iterating with std::unordered_map in multithreaded code?
How do I provide stable iteration order with std::map for embedded targets?
How do I provide stable iteration order with std::map in multithreaded code?
How do I avoid rehashing overhead with std::map in performance-sensitive code?
How do I merge two containers efficiently with std::map for embedded targets?