... rebinding, 92unbinding, 92-93bindingTemplate structure,928BLOB data type, 366, 375Blueprints, 23-24BMP (bean-managed persis-tence), 217 configuring, 248-252defining interfaces, ... JavaBeans), 212 -213 separating from presentationtier, 130-131business-tier patternsBusiness Delegatecase study analysis,820- 821 defined, 796maintainability, 821 performance, 821 reliability, 821 Composite ... method, 310 code listings 103 331 0672323842 Index 3/20/02 9:35 AM Page 103 3 Document Type Definition (DTD)A Document Type Definition (DTD) is a way of defining the structure of an XML docu-ment....