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Data
presentation, 328-30
qualitative, 38
quantitative, 38
simulation, 254
Database management systems, 83-92
database control language, 90-92
database definition language, 84-86
database manipulation language, 86-90
elements, 83
performance, 83
See also Operating systems architecture
Databases
control language, 90-92
defined, 84
definition language, 84-86
design language, 85-86
manipulation language, 86-90
Database Services Address Space (DBAS), 421-22
BM, 423
components, 422
defined, 421
DM, 423
functionality, 423-24
RDS, 423
See also IBM DB2
Database systems, 10-15
catalog manager, 93
communications manager, 97
components, 92-105
concurrency control manager, 95
deadlock manager, 95-96
evolution of, 10-15
initial repositories, 10-11
integrity manager, 93-94
lock manager, 95
log manager, 97-103
network, 13-14
object-oriented, 15
operating system mismatch, 103-5
query processing support manager, 97
recovery manager, 96
relational, 14-15
security manager, 96
support architecture, 92
transaction manger, 94
Database systems performance analysis, 409-44
burn-in test, 412-13
burn-in test results, 412
cost/performance comparison, 443-44
IBM DB2, 421-27
indexing run, 435
Informix Dynamic Server, 417-21
introduction, 409
Microsoft SQL Server, 427-31
nonindexing run, 434-35
Oracle architectural structure, 413-17
PC performance assessment benchmark, 410-11
results, 436-44
results assessment, 410
running all queries together, 435-36
summary, 444
testbed architecture performance results, 411
testbed configuration, 410
testbed procedures, 436
testbed systems, 409-13
testbed testing, 431-36
testing preparation, 432-36
workloads, 432
Data control language, 90-92
Data extraction, 254
accounting software, 319-20
hardware monitors, 321-22
methods of, 319-22
software monitors, 320-21
Data manipulation language, 86-90
defined, 86
forms, 87-88
functional evaluation, 88-89
QBE, 88
visual, 86-87
See also Database management systems
Deadlock detection, 71-72
Deadlocked Petri nets, 294
Deadlock manager, 95-96
Design
experimental, 326-28
experimental, operating system, 378-80
flexibility, 306-7
fractional factorial, 327, 328
full factorial, 327, 328
simple, 327
Direct addressing, 47-48
Direct memory access (DMA) devices, 50
Discrete random variables, 149-50
Discrete simulation models, 256-58
building, 258
defined, 256
descriptions, 257-58
entities/events definition, 257
triggering, 257
See also Simulation modeling
Disk management, Windows XP, 365
Distributed architectures.
See itectures
Distributed processing systems
checkpoints, 488
functional components, 487
information loss, 490
overhead time, 489
statistical output, 492-93
system time, 488-89
transfer time, 489
transmit time, 489
wait time, 489
Distributed processors, 19
Distributions
chi-square, 232
estimating, 227-33
exponential service time, 235
parameters, 230, 232
sample, 231
See also Probability distributions
Dual bus architecture, 10, 61
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