To delete duplicates from a MySQL database table I normally copy the duplicate data first to a temporary table and then use the copied id’s to delete from the original table. Delete using the temporary can take two forms. First is the slow way: delete from target where id in (select id from temp); This can be [...]
To delete duplicates from a MySQL database table I normally copy the duplicate data first to a temporary table and then use the copied id’s to delete from the original table.
Delete using the temporary can take two forms. First is the slow way:
delete from target where id in (select id from temp);
This can be [...]
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