How Can I Prevent MySQL Workbench Connection Timeouts During Long-Running Queries?

Solving MySQL Workbench Connection Timeouts for Long Queries

MySQL Workbench users often encounter "Lost connection to MySQL server during query" errors (Error Code: 2013) when running lengthy queries, especially those involving large datasets. This guide provides a solution to prevent these timeouts.

Solution: The key is to increase the connection timeout within MySQL Workbench.

Step 1: Adjust the DBMS Connection Timeout

In MySQL Workbench, go to "Edit" > "Preferences" > "SQL Editor". Find the "DBMS connection read time out (in seconds)" setting and increase the value significantly. A value of 86400 seconds (24 hours) is recommended.

Step 2: Restart MySQL Workbench

Close and restart MySQL Workbench to apply the new timeout setting.

Step 3: Re-run the Query

Cancel any previously running queries. Then, re-execute your long-running query. The increased timeout should prevent the connection from dropping.

By following these steps, you can successfully execute extended queries in MySQL Workbench without encountering connection timeouts, ensuring uninterrupted workflow for long-running processes.

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