After running a query, MySQL returns the number of rows and gives a time in the output, showing how long it took to run the query. For example, if we run the following query
mysql> create table e1(id int); Query OK, 0 rows affected (0.23 sec)
it is displaying the time (0.23 seconds).
The above is the detailed content of How can we understand the performance of the server from the output of MySQL?. For more information, please follow other related articles on the PHP Chinese website!