On 7/20/22 00:08, Rama Krishnan wrote:
Hi All,
I am doing purge activity my sales table contains 5M records I am going to
delete more than 1 year data (which was 3M) records so it was running more
so I want to do batch wise deletion through plsql
created or replace function data_purge() returns void as$$
Declare
Begin
Drop table test_old;
Create table test_old as select * from sales where bill_date<now()
-interval '1 year';
Delete table sales where sales_id in (select sales_id from test_old;
End;
$$ language plpgsql;
Kindly guide me
Why not just DELETE FROM sales WHERE bill_date<NOW() -INTERVAL '1 year';?
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