Transaction Processing

Index

A

Aborto, 534, 537

Abort(s), 621–22

heuristic, 640

logic for, 571

operator, 640

presumed, 572, 575, 636, 646, 655

queued transactions and, 345

of semaphore-holding process, 462–63

of two-phase commit, 566–67, 571–72

Abort call, 332

Aborted state, 181

Aborted transactions, 560, 619

Abort message, 331

Abort racing, 331–32

Abort_Work(), 531, 566–67

Abstract data types (ADT), 174, 180, 208–9, 222, 661, 662

Abstraction, layered, 208

Abstraction hierarchy, 208

Access(es)

associative, 661, 662, 737, 767, 785, 817

block, 681

browse, 397

efficient, 698

frequency of, 56

multi-attribute, 892–93

random, 53, 681

sequential, 53

Access control, 355

Access control list, 72, 286

Access control matrix, 72

Access gap, 669

ACCESSIBLE_COLUMNS, 772–73