How can the SQL update query be simplified for better efficiency?

To simplify the SQL update query for better efficiency, you can use parameterized queries to prevent SQL injection attacks and improve performance. This involves preparing the query once and then executing it multiple times with different parameters, rather than constructing a new query each time.

// Assuming $conn is the database connection object

// Prepare the update query
$stmt = $conn->prepare("UPDATE table_name SET column_name = :value WHERE id = :id");

// Bind parameters
$stmt->bindParam(':value', $value);
$stmt->bindParam(':id', $id);

// Update with different values
$value = 'new_value_1';
$id = 1;
$stmt->execute();

$value = 'new_value_2';
$id = 2;
$stmt->execute();