Index_U

U

UCASE() scalar function, 248

UDA (Universal Data Access), 372–373

unary operators, defined, 243

UNION reserved keyword, 239, 292–293

unique indexes

constraints versus, 125

creating, 272–273

defined, 68

UNIQUE reserved keyword, 239, 273

Universal Data Access (UDA), 372–373

update rules, 141–142, 309, 319

UPDATE statement, 239, 256, 297–298

UPPER() scalar function, 68, 248

USER reserved keyword, 239

USER() scalar function, 249, 310

users

See also groups; passwords

adding to groups, 115–116, 324–325

ADSSYS administrator, 98–99

changing properties of, 325

checking rights of, 107, 111–112

creating, 108–111, 324

data dictionary access and, 106–108

deleting, 326

granting rights to, 111–118, 311–313

listing, 307

listing group members, 307–308