7 авг. 2017 г. · I have a table with operations that can be deleted by users. What happens, is that I want to store deleted rows for some time, to serve as recover in case any ...

27 окт. 2017 г. · I want to cleanup one of my tables which has 4 million. So I prepare this query to clean it. But it's throwing an error, can anyone please help ...

31 дек. 2016 г. · You can block deletions with triggers or (where appropriate) foreign key constraints, but you can't make DELETE do anything other than delete.

14 мар. 2019 г. · DELETE deletes rows as it sees them while using record locks. The delete actually happens at commit time. A log of the changes is made place.

10 дек. 2014 г. · The following command: DELETE FROM hours WHERE id IN (SELECT id FROM holdkey WHERE persons_id=60) seems to hang indefinitely.

13 мая 2021 г. · The select statement to return no rows, since I've just deleted that row? Or will it still return a row because the transaction has not yet been committed?

17 авг. 2016 г. · When performing a DELETE against a large number of rows in the Prices table, the DELETE becomes progressively slower. If deleting 15,000 rows it ...

21 сент. 2015 г. · I have to delete about 28 million records from a InnoDB table in MySQL. I am wondering what happens if I am doing a select statement on the same table during ...

3 сент. 2020 г. · Create for every table an AFTER DELETE TRIGGER, so you are sure you catch every deleted entry and can remove them from your result set.

26 апр. 2014 г. · I know that in postgres we have RETURNING * to return deleted rows. What I want to achieve is to delete rows and return them in one query.