Workbench is good but its dead when long running query or table having million of records. If you are experimenting something new on large data sets, then I guess the popular error everyone facing which is “Error Code: 2013. Lost connection to MySQL server during query”. So this is the time to forget workbench and come to command shell. Actually today I was finding list of the database with size, running on my local system. This is the query which show results very quickly from command shell. SELECT table_schema AS "Database", ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size (MB)" FROM information_schema.TABLES GROUP BY table_schema ;
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