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My small wordpress site has grown the SQL size to almost 20GB and no idea why. Looked at tables, and there are MANY tables that have the format: XXXX\_wpqd\_postmeta where XXXX is 3-5 random letters. These tables are all very large like 32 mb or so and often thousands of rows. Questions: what is this table type, how do I know if I can delete them?
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Maybe a plugin for creating staging sites created them? Do you have any?
If you remove the plugin(s) you can use Wp-Optimize to remove the tables, which would no longer be needed, since the plugin(s) were removed. causing the issue or empty the large tables via MySQL command or phpMyAdmin.
If you remove the plugin(s) you can use Wp-Optimize to remove the tables, whouch would no longer be needed, since the plugin(s) were removed.