Error Code: 2013. Lost connection to MySQL server during query

Question

I got the Error Code: 2013. Lost connection to MySQL server during query error when I tried to add an index to a table using MySQL Workbench. I noticed als

Answer 1

There are three likely causes for this error message

1. Usually it indicates network connectivity trouble and you should check the condition of your network if this error occurs frequently
2. Sometimes the “during query” form happens when millions of rows are being sent as part of one or more queries.
3. More rarely, it can happen when the client is attempting the initial connection to the server

For more detail read >>

Cause 2 :

SET GLOBAL interactive_timeout=60;

from its default of 30 seconds to 60 seconds or longer

Cause 3 :

SET GLOBAL connect_timeout=60;