WebDec 22, 2024 · FROM RowsToUpdate us INNER JOIN dbo.Users u ON u.Id = us.Id DELETE dbo.Users_Staging WHERE Id IN (SELECT Id FROM #RowsAffected); COMMIT SELECT @RowsAffected = COUNT(*) FROM #RowsAffected; END GO When I execute that stored procedure, the locks look like a hot mess, but note the lock level on the Users object: WebThis method is known as Remove Rows with Create-Table-as-Select. There are two different approaches for this method Method 1 Create a new table saving the rows you want to keep Truncate the original table Load the saved rows back in with insert as select For example:
sql - Best way to delete millions of rows by ID - Stack Overflow
WebApr 29, 2013 · The answer to the best way to delete rows from an Oracle table is: It depends! In a perfect world where you can take the table offline for maintenance, a complete reorganization is always best because it does the delete and places the … WebI know that the best way to delete large number of rows is to create table as ... , rebuild indexes, rename original table, rename new table into original name, drop original … iom office abuja
Transferring large amount (84 million rows) of data efficiently
WebJun 7, 2024 · - Both methods delete the same rows from A* => it's the same amount of work to do the delete - Option 1 has one statement; Option 2 has two statements; 2 > 1 => … WebUse partitioning: The fastest way to do a mass delete is to drop an Oracle partition. Tune the delete subquery: Many Oracle deletes use a where clause subquery and optimizing the subquery will improve the SQL delete speed. Use bulk deletes: Oracle PL/SQL has a bulk delete operator that often is faster than a standard SQL delete. WebUse partitioning: The fastest way to do a mass delete is to drop an Oracle partition. Tune the delete subquery: Many Oracle deletes use a where clause subquery and optimizing the … iom office dc