Advice for beginner like me to get fast result in short time
Why does it take long time to query the data from seever, the data approximately 20000 records?
And my network is stable, what is the problem? And I also opimized the code as well.
SQL, advice for beginner like me to get fast result in short time
Why does it take long time to query the date from sever, the data approximately 20000 records?
and my network is stable, what is the problem, and i also opimize the code as well!!