Small. Fast. Reliable.
Choose any three.
*** 15,17 ****
--- 15,18 ----
  *: TRUNCATE (MySQL, Postgresql and Oracle have it... but I dont know if this is a standard command)
  *: ORDER BY myfield ASC NULLS LAST (Oracle)
  *: CREATE TRIGGER [BEFORE | AFTER | INSTEAD OF] (Oracle)
+ *: UPDATE with a FROM clause (not sure if this is standard, Sybase and Microsoft have it).