oracle how to delete table code example

Example 1: 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...

Example 2: oracle sql drop table

DROP TABLE my_table;
-- To 'really' free space
DROP TABLE my_table PURGE;