WebOct 24, 2024 · In Oracle, you cannot even use a flashback table statement to recover deleted rows. The basic syntax of the Truncate command is: Truncate table table_name; When you need to remove almost all the rows from a huge table (e.g. more than 80%) and the rollback/recover restriction is not an issue for you, you may also evaluate the use of …
Best approach to move Billion rows from one table to another. - Oracle
WebApr 27, 2024 · Say you’ve got a table with millions or billions of rows, and you need to delete some rows. Deleting ALL of them is fast and easy – just do TRUNCATE TABLE – but things get much harder when you need to delete a small percentage of them, say 5%. WebJan 31, 2024 · Hi, I have to delete many millions of records from different tables periodically. I can't use CTAS to do this. I use block record delete. In tests I noticed that the index table space (we have one table space for data and one for indexes) does not decrease after delete the records. bird toys pet terrific
How to delete millions of rows from a table - Database Tips
http://www.dba-oracle.com/t_oracle_fastest_delete_from_large_table.htm WebSep 19, 2024 · bulk collect delete - Oracle Forums SQL & PL/SQL bulk collect delete Ricky007 Sep 19 2024 — edited Sep 20 2024 Dear Experts, I want to move table data to history by retaining 7 days records in table Once data is moved I want to delete the records from table. Here i tried with bulk collect ,because table contain millions of records. ---- WebMay 22, 2024 · Initially, our customer requested that we update one million records in a target fact table, pre-populated with dozens of columns and billions of rows. We ran some internal MERGE performance tests to benchmark results. These tests updated several columns and dozens of fields, with promising results: 30 seconds. dance monkey - body percussion - bing video