What are the potential errors that can occur when using COUNT() in PHP MySQL queries?

When using COUNT() in PHP MySQL queries, one potential error that can occur is not aliasing the result of the count function. This can lead to ambiguous column names in the result set. To solve this issue, it is recommended to alias the result of the COUNT() function in the query.

// Incorrect query without aliasing the COUNT() result
$query = "SELECT COUNT(id) FROM table_name WHERE column_name = 'value'";

// Correct query with aliasing the COUNT() result
$query = "SELECT COUNT(id) AS count_result FROM table_name WHERE column_name = 'value'";