Index_O

O

OASIS, 14

Object brokering, transaction servers for, 271

Object Browser, 398

Object caching and pooling, transaction servers for, 271

Object marshalling, 16

Object pooling, 154, 311, 359-360

Object role modeling, overview of, 211-248

Object-Oriented Analysis, 259

Object-Oriented Design, 259

Object-oriented environment, software design in, 5

Object-oriented programming, 4, 10

ODBC connection pooling, 154

ODBC (Open Database Connectivity), 154

OLTP (online transaction processing) system, 266

OMG (Object Management Group), 295

100 percent uptime, 86

On-screen elements, designing, 356

OODBMS (object-oriented database management system), 273

Open-book exam simulation, 460

Open-source initiative, 30

Open-source .NET development, 30

Open-source software, 363

Operating system identity flow, 191

Operating system platforms

and application communication, 16

choosing, 305

.NET, 29-30

for running Visual Studio .NET, 24

web services/SOAP and, 14

XML on, 274

Operational requirements, gathering and analyzing, 116-121

Operations requirements, 149

Operations strategy, 144, 191-194

Operators, spaces before and after, 415

Optional role, 234

Oracle, 214, 273

Oracle 9i, 273

ORDER BY clause, columns sorted by, 369

Order entry application example, 346-348

Order management and shipping application, error handling in, 122

Organization chart (company), 95-96

Organization (or company)

analyzing the structure of, 96

current use of technology, 49

future needs of, 57

staffing needs, 116

views of technology, 49

Organizational charts (Visio), 26

Organizational performance, evaluating, 444

Organizational political climate, analyzing, 97-98

Organizational structure, analyzing, 96

Original caller’s identity, 190

ORM conceptual design, converting to logical model, 315-318

ORM conceptual model, trimming, 230

ORM Diagram template (Visio), 215

ORM diagrams

<< symbol in, 228

autogenerating, 228-229

based on elementary facts, 229

comparison constraints, 236

creating in VEA, 215-216, 226-227

exported in ER format, 238

frequency constraint, 238

including uniqueness constraints, 233

irreflexive constraint, 238

mandatory role constraints, 235

reverse-engineered, 216

subtyping constraints, 236-237

uniqueness constraints, 231-233

value constraints, 236-237

ORM diagrams using VEA, tutorial on, 217

ORM entities, combinable, 230

ORM models, 214

for case study, 220-238

reverse engineering, 216

ORM object, filling one of two or more roles, 234

ORM (Object Role Modeling), 27, 212, 215

based on natural language, 214

benefits of using, 214

checking for logical derivations, 235

designing a database schema using, 220-238

elementary facts, 221-224

entities, 224, 228

vs. ER modeling, 214-215

external uniqueness, 232

fact numbers, 222, 225

free download for, 217

how it satisfies design objectives, 214

official web site, 217

quality check, 224-226

relationship verb (role), 228

role descriptions, 221

validating a conceptual design, 223

values, 224, 228

ORM resources, 217

ORM Source Model template (Visio), 215-216

ORM values

that can be calculated, 231

uniqueness of, 231

Outlining code, 414

Outlook Express application objects, 297

Outlook (Microsoft), 13

Output cache directive (@OutputCache), 360

Output and input devices, DFDs for, 258

Overview description element (use case), 111