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The in-place updates would not have worked with the terrabytes of data that we have in our database.In response to the Jack Silvey (from Richardson, TX ) review, where he wrote "It is the only way to fly.With nologging, if the system aborts, you simply re-run the 'update' again, as you have the original data in the main table.When done, we swap the partition of original data with the 'dummy' table (the one containing new values), rebuild indexes in parallel, and wha-la! i.e, to update field2 in a table: 1) First create your dummy hold table: create table xyz_HOLD as select * from xyz where rownum Hi Tom, As u suggested us to create a new table ,then drop the original table and rename the new table to original table instead of updating a table with millions of records.But what happen to dependent objects ,everything will get invalidated. We've a similar situation., We delete around 3 million records from 30 million rows table everyday.
In the notebook, I want you to write out 3 different sections.Tom according to you do you consider partitions for such tables and if yes which type of partition.. November 13, 2002 - pm UTC hard to tell -- is the data deleted by something that is relatively constant (eg: the value in that column doesn't change - so the row doesn't need to move from partition to partition).If so -- sure, cause we could just drop partitions (fast) instead of deleting the data. We also have an absolutely incredible stored procedure that rebuilds all of our indexes concurrently after the load, using the Oracle job scheduler as the mechanism of allowing separate threads in pl/sql.There should never be any pressure or fear when flirting opportunities arise.For the more shy at heart, though, flirting is a mystery that doesn't come easily.