[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] O'Reilly & Associates, Inc., contact information for object data model Object Query Language [See OQL] object reuse 2nd object serialization object-oriented database management system [See OODBMS] object-oriented principles object-relational database management systems [See ORDBMS] object-relational mapping Castor EJB CMP Hibernate objects attributes of, multivalued caching home for (EJB) lazy-loading attributes of mapping to relational database remote, accessing [See RMI] sharing state between [See memento design pattern] soft references to strong references to ODBC ( Open Database Connectivity) 2nd one-to-many relationships 2nd one-to-one relationships 2nd OODBMS (object-oriented database management system) Open Database Connectivity [See ODBC] open source software 2nd [See also Castor; Hibernate] operators, in SQL optimistic concurrency optimistic transaction management, JDO 2nd OQL (Object Query Language) OQLQuery class OR operator, SQL ORDBMS (object-relational database management system) ORDER BY clause (SQL) |