delete in oracle code example

Example 1: pl sql delete from table

DELETE FROM customers
WHERE last_name = 'Smith';

Example 2: delete rows table oracle

DELETE FROM my_table;		-- all rows, commit needed
TRUNCATE TABLE my_table;	-- all rows, no possible rollback
DELETE FROM my_table WHERE my_id = 12345;
DELETE FROM my_table WHERE my_id IN (SELECT id2 FROM my_table2);
COMMIT;		-- don't forget it...