I

<IMG> tag, 8

INCITS (International Committee for Information Technology Standards) , 134

incomplete data, commercial uses of XML , 393

indexes

algorithms, 200

ALTER INDEX command, 122

binary tree structure, 257

bitmaps, 258

branch section, 257

changes in, 121

context, 259

DROP INDEX command, 122

formatIndex() method, 81

full--text, 259

hashing, 257

leaf section, 257

NXD (native XML database), 258

path , 200

physical start of, 257

pointers, 258

primary XML, 200201

property, 200

secondary XML, 200201

side tables, 259

size , 200

sorting order, 200, 258

structural, 259

uses for, 199, 256

value, 200, 259

industry--specific vocabularies , 387 , 390

inheritance

defined, 30

Document class and, 38

multiple, 232

object model, 231

inner joins , 108

input types, XForms , 342

Input/Output (I/O)

discussed, 143

storage considerations, 382383

INSERT command

adding records to tables, 119

defined, 89

subqueries, 120

instance() function, 345

int data type, 372

integer division XPath numeric operator , 284

International Committee for Information Technology Standards (INCITS) , 134

Internet Explorer browser

defined, 1

executing XForms in, 341

XLink support, 320

XPointer and, 337

inter--relationships, object model , 226

I/O (Input/Output)

overview, 143

storage considerations, 382383

IP addresses, URI functions , 285

ISFRAGMENT method, 133

item value, XQuery language , 302