Deletes create tombstones — not really something to consider. Better to add / update or insert data and do a soft delete on old data and apply a TTL to remove it at a future time.
-- Rahul Singh rahul.si...@anant.us Anant Corporation On May 27, 2018, 5:36 AM -0400, onmstester onmstester <onmstes...@zoho.com>, wrote: > Hi > I want to load all rows from many partitions and change a column value in > each row, which of following ways is better concerning disk space and > performance? > 1. create a update statement for every row and batch update for each > partitions > 2. create an insert statement for every row and batch insert for each > partition, then run a single statement to delete the whole old partition > > Thanks in advance > > Sent using Zoho Mail > >