In terms of performance, is it advisable to store images as BLOBs in MySQL databases for PHP applications, considering factors like data size and access frequency?

Storing images as BLOBs in MySQL databases for PHP applications can lead to decreased performance due to the increased data size and access frequency. It is generally advisable to store images in a file system and store the file path in the database instead. This approach helps in optimizing database performance and improves overall application speed. 

// Example of storing image in file system and saving file path in database
$image = $_FILES['image']['tmp_name'];
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["image"]["name"]);

if (move_uploaded_file($_FILES["image"]["tmp_name"], $target_file)) {
    $image_path = $target_file;
    
    // Save image path in MySQL database
    $sql = "INSERT INTO images (image_path) VALUES ('$image_path')";
    // Execute SQL query
} else {
    echo "Failed to upload image.";
}

Keywords

PHP BLOBs MySQL performance data size

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