[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] Object persistent field object database 2nd 3rd object identity object-model evolution objectid-class attribute 2nd 3rd 4th 5th 6th 7th 8th objectid-class<Default Para Font> attribute one-to-many relationship one-to-one relationship Optimistic 2nd 3rd 4th 5th 6th 7th 8th 9th 10th OQL OR query operator 2nd ORDER BY ordering column ordering expression ordering specification 2nd 3rd |