Procedural style
Object oriented style (method):
mysqli {
bool real_query(string query);
}
Executes a single query against the database whose result can then be
retrieved or stored using the mysqli_store_result() or
mysqli_use_result() functions.
In order to determine if a given query should return a result set or not,
see mysqli_field_count().
Return Values
Returns TRUE
on success or FALSE
on failure.