What are the common errors or pitfalls that PHP beginners may encounter when working with auto increment fields in databases, and how can they be avoided?

One common error that PHP beginners may encounter when working with auto increment fields in databases is not properly handling the insertion of data into a table with an auto increment field. To avoid this issue, it is important to exclude the auto increment field from the list of columns when inserting data into the table.

// Correct way to insert data into a table with an auto increment field
$sql = "INSERT INTO table_name (column1, column2) VALUES ('value1', 'value2')";
$result = mysqli_query($connection, $sql);
if($result){
    echo "Data inserted successfully";
} else {
    echo "Error inserting data: " . mysqli_error($connection);
}