http://developers.slashdot.org/article.pl?sid=06/03/15/1744208&threshold=1#main-articles

"INSERT INTO Door (Keyhole) VALUES ('KEY') WHERE Door.Locked = 1"
"UPDATE Monster SET Monster.Dead = 1"
"INSERT INTO Inventory (SELECT Loots FROM Monster WHERE Monster.IsDead = 1)"
"UPDATE Princess SET Princess.Saved = 1"

I win! That means...

"SELECT Baby FROM Hero INNER JOIN Princess"