Does your SQL statement have a WHERE clause? I know this sounds obvious, but don't retrieve more data than you need. However, less obvious is that even if your SELECT statement retrieves the same quantity of data without a WHERE clause, it may run faster
Does your SQL statement have a WHERE clause? I know this sounds obvious, but don't retrieve more data than you need. However, less obvious is that even if your SELECT statement retrieves the same quantity of data without a WHERE clause, it may run fast