WordPress database error: [Duplicate column name 'field_order']
ALTER TABLE `wp_cf7dbplugin_submits` ADD COLUMN `field_order` INTEGER

WordPress database error: [Duplicate column name 'file']
ALTER TABLE `wp_cf7dbplugin_submits` ADD COLUMN `file` LONGBLOB

WordPress database error: [Duplicate key name 'submit_time_idx']
ALTER TABLE `wp_cf7dbplugin_submits` ADD INDEX `submit_time_idx` ( `submit_time` )

WordPress database error: [Duplicate key name 'form_name_idx']
ALTER TABLE `wp_cf7dbplugin_submits` ADD INDEX `form_name_idx` ( `form_name` )

WordPress database error: [Duplicate key name 'form_name_field_name_idx']
ALTER TABLE `wp_cf7dbplugin_submits` ADD INDEX `form_name_field_name_idx` ( `form_name`, `field_name` )