L

label attribute, XLink, 321 , 329

LAN (local area network) , 207

language attribute, 62

last() function, 276 , 290

layered structure, object model , 235236

leaf

content of elements, 18

leaf section, index, 257

left outer joins , 109

less--than XPath numeric operator , 284

let clause, FLWOR statement, 308

links . See XLink

list elements, XSD , 377378

LOAD() method, 40 , 443

local area network (LAN) , 207

local type, XSD , 370

locator attribute, XLink, 321

locking, node level , 261

logical operators

discussed, 93

OR , 9394

logical relationship, sample database , 428

long data type, 372

lowercase characters , element naming rules , 17