05.11.2015
•
■INDEX 717 O object tables, 338, 410–18 OBJECT_ID column, 330, 384–85, 609 OBJECT_NAME column, 428 OBJECT_NAME statement, 269 OCFS (Oracle Cluster File System), 89 OCI programs, 650 OEM (Oracle Enterprise Manager), 70 OIDINDEX clause, 414 OLTP, 565–66, 601–6 OLTP (transaction processing) system, 101 ON COMMIT DELETE ROWS global temporary table, 409 ON COMMIT PRESERVE ROWS global temporary table, 409 ON COMMIT PRESERVE rows table, 409 ONE_SESSION profile, 40 online redo log files, 99–101, 283–84 database buffer cache, 100 factors affecting, 101 OPEN command , 21 operating system, Oracle database as virtual operating system, 3 operating system-dependent (OSD) code, 35 OPT_CMP_PCTSAVE value, 486 OPT_CMPR_COUNT column, 364, 429 OPT_CMPR_PCTSAVE column, 364, 428–29 optimistic locking, 189–90 vs. pessimistic locking, 200 strategies for avoiding lost updates, 189 using checksum, 193–95 using ORA_ROWSCN function, 196–99 using version column, 190–93 ora_ckpt_ora10g process, 56 ora_pmon_ora10g process, 56 ORA_ROWSCN function, 196–99 ORA-01555 error, 242, 268, 270, 314, 468–69, 551 block cleanout, 325, 332 causes, 325 COMMIT statement, 325 delayed block cleanout, 332–36 overview, 325–26 read consistent model, 325 read only isolation level, 242 rollback segment size, 326 solutions to error, 336 undo segment size, 325, 329 undo segments are too small, 326–32 ORA-08177 error, 240, 249 ora10g.localdomain connection string, 61 ORA-30036 error, 270 Oracle Call Interface (OCI), 180, 650 Oracle Cluster File System (OCFS), 89 Oracle data dictionary, 564 Oracle Data Guard, 181 Oracle Database Reference manual, 68 Oracle Enterprise Manager (OEM), 70 Oracle Forms and deadlocks, 205 strategies for avoiding lost updates, 187 Oracle Internet Directory (OID), 61 Oracle Net software, 157 Oracle RAC, 172 Oracle SQL Reference manual, 353 Oracle TNS listener, 158 ORACLE_DATAPUMP type, 683 ORACLE_LOADER type, 683 Oracle 9i Utilities Guide, 651 oracle.exe process, 56 orapwd command -line tool, 104 ORCL record, 361 ORDER_DT column, 389 ORDIMAGE type column, 677 ORDSYS.ORDIMAGE type, 676–78 ORDYS.ORDIMAGE object loading data into LOBS, 676 SETPROPERTIES method, 678 structure, 677 ORGANIZATION EXTERNAL clause, 683 OS/390 Workload Manager (WLM), 49 OSD (operating system-dependent) code, 35 OSD code, 35 OVERFLOW option, CREATE TABLE statement, 367 OVERFLOW segment, 367 OWA_OPT_LOCK.CHECKSUM method, 193 P parallel execution overview, 615–16 parallel DDL, 627–39. See also extent trimming and data loading using external tables, 628–29 overview, 627–28 parallel DML (PDML), 616, 624–27 parallel query, 618–24 parallel recovery, 639 procedural parallelism do-it-yourself parallelism, 643–47 overview, 639–40 parallel pipelined functions, 640–43 servers, 618 when to use, 616–18 parallel pipelined functions, 639 parallel query, 615 parallel query coordinator, 182 parallel query (PQ) slaves, 182, 618 parallel recovery, 616 PARALLEL_ENABLED function, 641
718 ■INDEX parameter files (PFILEs), 52, 65–66, 72 creating from Server Parameter Files (SPFILEs), 76–77 legacy init.ora parameter files, 69–71 and networking, 66 overview, 66–67 Server Parameter Files (SPFILEs) converting to, 71–73 corrupted, 77–78 creating PFILEs from, 76–77 overview, 71 setting values in, 73–75 unsetting values in, 76 what parameters are, 67–69 parsing, 11, 13 partition elimination, 565 partition key, 558 partition start (PSTART) column, 585 partition stop (PSTOP) column, 585 PARTITIONED_PK index, 589 PARTITIONED_TABLE table, 584 partition-extended table, 572 partitioning. See also index partitioning auditing and segment space compression, 612–13 benefits of enhanced statement performance, 565–66 increased availability, 558–60 reduced administrative burden, 560–64 enhancing DML performance, 624 overview, 557–58, 614 and performance, 606–11 table partitioning schemes composite partitioning, 577, 579 hash partitioning, 570–75 list partitioning, 575–77 overview, 567 range partitioning, 567–70 row movement, 579–81 password files, 65, 103–5 PCTFREE parameter, 350, 354, 362 row migration, avoiding, 348 tables, syntax, 347 PCTTHRESHOLD clause, 367 PCTTHRESHOLD option, 362, 366 PCTTHRESHOLD parameter, 369 PCTUSED parameter, 339, 347–48, 350, 354 PCTVERSION clause, 549–51 PDML. See parallel execution, parallel DML performance, and partitioning, 606–11 pessimistic locking, 187–89 vs. optimistic locking, 200 strategies for avoiding lost updates, 187 pfile=filename option, 70 PFILEs. See parameter files (PFILEs) PGA_AGGREGATE_TARGET, 46, 67, 124–27, 134 phantom read, 233 physical data layout, 441 pinging, avoiding, 429 PIPE ROW clause, 640 pipe symbol (|), 668 PL/SQL, 113 loading LOBs via, 669–73 Supplied Packages Guide, 193 unloader PL/SQL utility, 692 PMON (process monitor), 52, 56, 173 focused background processes, 173 Net8 listener, 173 pointers, 542 point-in-time recovery operation, 583 POSITION clause, 657–58 POSITION keyword, 657 positional data, 664 PQ (parallel query) slaves, 182, 618 PRAGMA AUTONOMOUS_TRANSACTION, 279 prefixed global index, 590 PreparedStatement, 226–27 primary key, 439 PRIMARY KEY constraint, 588 primary key value, 202 Pro*C program, 114, 433 procedural parallelism, 616 procedure-level atomicity, 259–62 Process Global Area (PGA), 115 automatic memory management determining how memory is allocated, 124–30 overview, 123–24 using PGA_AGGREGATE_TARGET to control memory allocation, 130–33 database architecture, 115 manual memory management, 116–23, 133–34 overview, 115–16 process ID (PID), 158 process status (ps) command , 51, 621 PROCESS_DATA function, 641 PROCESSED_FLAG column, 6 processes background processes focused background processes, 171–78 overview, 170–71 utility background processes, 178–81 overview, 155 server processes connections vs. sessions, 159–65 dedicated server connections, 156–58, 165–69 overview, 156 shared server, 165–67, 169 shared server connections, 158–59
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Expert Oracle Database Architecture
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Contents Foreword . . . . . . . . .
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■CONTENTS v Block Buffer Cache .
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■CONTENTS vii ■CHAPTER 9 Redo a
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■CONTENTS ix ■CHAPTER 12 Dataty
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Foreword “THINK.” In 1914, Thom
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■FOREWORD xiii Tom is an aficiona
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About the Technical Reviewers ■JO
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Introduction The inspiration for th
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■INTRODUCTION xix • Exposure to
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■INTRODUCTION xxi Chapter 3: File
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■INTRODUCTION xxiii Next up are t
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Setting Up Your Environment In this
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■SETTING UP YOUR ENVIRONMENT xxvi
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■SETTING UP YOUR ENVIRONMENT xxix
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■SETTING UP YOUR ENVIRONMENT xxxi
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■SETTING UP YOUR ENVIRONMENT xxxi
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■SETTING UP YOUR ENVIRONMENT xxxv
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■SETTING UP YOUR ENVIRONMENT xxxv
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■SETTING UP YOUR ENVIRONMENT xxxi
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■SETTING UP YOUR ENVIRONMENT xli
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■SETTING UP YOUR ENVIRONMENT xlii
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CHAPTER 1 ■ ■ ■ Developing Su
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CHAPTER 1 ■ DEVELOPING SUCCESSFUL
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CHAPTER 1 ■ DEVELOPING SUCCESSFUL
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CHAPTER 1 ■ DEVELOPING SUCCESSFUL
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CHAPTER 1 ■ DEVELOPING SUCCESSFUL
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CHAPTER 1 ■ DEVELOPING SUCCESSFUL
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50 CHAPTER 2 ■ ARCHITECTURE OVERV
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52 CHAPTER 2 ■ ARCHITECTURE OVERV
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54 CHAPTER 2 ■ ARCHITECTURE OVERV
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56 CHAPTER 2 ■ ARCHITECTURE OVERV
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58 CHAPTER 2 ■ ARCHITECTURE OVERV
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60 CHAPTER 2 ■ ARCHITECTURE OVERV
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62 CHAPTER 2 ■ ARCHITECTURE OVERV
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CHAPTER 3 ■ ■ ■ Files In this
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CHAPTER 3 ■ FILES 67 Without a pa
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CHAPTER 3 ■ FILES 69 and even dat
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CHAPTER 3 ■ FILES 71 all operatio
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CHAPTER 3 ■ FILES 73 *.cluster_da
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CHAPTER 3 ■ FILES 75 ops$tkyte@OR
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CHAPTER 3 ■ FILES 77 • To maint
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CHAPTER 3 ■ FILES 79 • Resource
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CHAPTER 3 ■ FILES 81 3 l_dummy nu
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CHAPTER 3 ■ FILES 83 Trace Files
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CHAPTER 3 ■ FILES 85 _qerixAlloca
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CHAPTER 3 ■ FILES 87 6 ( 7 TYPE O
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CHAPTER 3 ■ FILES 89 A Brief Revi
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CHAPTER 3 ■ FILES 91 Redundant Ar
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CHAPTER 3 ■ FILES 93 (data from m
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CHAPTER 3 ■ FILES 95 dictionary t
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CHAPTER 3 ■ FILES 97 ■Note df i
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CHAPTER 3 ■ FILES 99 “accidenta
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CHAPTER 3 ■ FILES 101 So, at the
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CHAPTER 3 ■ FILES 103 Password Fi
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CHAPTER 3 ■ FILES 105 USER is "SY
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CHAPTER 3 ■ FILES 107 Flashback L
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CHAPTER 3 ■ FILES 109 of the requ
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CHAPTER 3 ■ FILES 111 IMPDP, howe
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CHAPTER 3 ■ FILES 113 tkyte@ORA10
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CHAPTER 4 ■ ■ ■ Memory Struct
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CHAPTER 4 ■ MEMORY STRUCTURES 117
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CHAPTER 4 ■ MEMORY STRUCTURES 119
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CHAPTER 4 ■ MEMORY STRUCTURES 121
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CHAPTER 4 ■ MEMORY STRUCTURES 123
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CHAPTER 4 ■ MEMORY STRUCTURES 125
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CHAPTER 4 ■ MEMORY STRUCTURES 127
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CHAPTER 4 ■ MEMORY STRUCTURES 131
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CHAPTER 4 ■ MEMORY STRUCTURES 137
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CHAPTER 4 ■ MEMORY STRUCTURES 139
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CHAPTER 4 ■ MEMORY STRUCTURES 151
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CHAPTER 4 ■ MEMORY STRUCTURES 153
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CHAPTER 5 ■ ■ ■ Oracle Proces
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CHAPTER 5 ■ ORACLE PROCESSES 157
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CHAPTER 5 ■ ORACLE PROCESSES 159
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CHAPTER 5 ■ ORACLE PROCESSES 161
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CHAPTER 5 ■ ORACLE PROCESSES 163
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CHAPTER 5 ■ ORACLE PROCESSES 167
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CHAPTER 5 ■ ORACLE PROCESSES 171
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CHAPTER 5 ■ ORACLE PROCESSES 177
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CHAPTER 5 ■ ORACLE PROCESSES 179
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CHAPTER 5 ■ ORACLE PROCESSES 181
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CHAPTER 6 ■ ■ ■ Locking and L
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 7 ■ ■ ■ Concurrency a
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 7 ■ CONCURRENCY AND MULTI
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CHAPTER 8 ■ ■ ■ Transactions
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CHAPTER 8 ■ TRANSACTIONS 257 •
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CHAPTER 8 ■ TRANSACTIONS 259 So,
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CHAPTER 8 ■ TRANSACTIONS 261 X --
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CHAPTER 8 ■ TRANSACTIONS 265 busi
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CHAPTER 8 ■ TRANSACTIONS 267 Many
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CHAPTER 8 ■ TRANSACTIONS 269 ops$
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CHAPTER 8 ■ TRANSACTIONS 271 last
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CHAPTER 8 ■ TRANSACTIONS 273 Dist
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CHAPTER 8 ■ TRANSACTIONS 275 Auto
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CHAPTER 8 ■ TRANSACTIONS 281 scot
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284 CHAPTER 9 ■ REDO AND UNDO cri
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286 CHAPTER 9 ■ REDO AND UNDO Fir
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288 CHAPTER 9 ■ REDO AND UNDO The
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290 CHAPTER 9 ■ REDO AND UNDO We
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292 CHAPTER 9 ■ REDO AND UNDO Wha
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294 CHAPTER 9 ■ REDO AND UNDO row
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296 CHAPTER 9 ■ REDO AND UNDO If
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298 CHAPTER 9 ■ REDO AND UNDO ops
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300 CHAPTER 9 ■ REDO AND UNDO Inv
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302 CHAPTER 9 ■ REDO AND UNDO The
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304 CHAPTER 9 ■ REDO AND UNDO 41
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306 CHAPTER 9 ■ REDO AND UNDO ins
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308 CHAPTER 9 ■ REDO AND UNDO So,
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310 CHAPTER 9 ■ REDO AND UNDO ops
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312 CHAPTER 9 ■ REDO AND UNDO ops
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314 CHAPTER 9 ■ REDO AND UNDO •
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316 CHAPTER 9 ■ REDO AND UNDO ...
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318 CHAPTER 9 ■ REDO AND UNDO •
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320 CHAPTER 9 ■ REDO AND UNDO bac
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322 CHAPTER 9 ■ REDO AND UNDO As
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324 CHAPTER 9 ■ REDO AND UNDO ops
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326 CHAPTER 9 ■ REDO AND UNDO wil
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328 CHAPTER 9 ■ REDO AND UNDO Thi
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330 CHAPTER 9 ■ REDO AND UNDO ops
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332 CHAPTER 9 ■ REDO AND UNDO Whe
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334 CHAPTER 9 ■ REDO AND UNDO Tha
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336 CHAPTER 9 ■ REDO AND UNDO tou
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338 CHAPTER 10 ■ DATABASE TABLES
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340 CHAPTER 10 ■ DATABASE TABLES
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342 CHAPTER 10 ■ DATABASE TABLES
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344 CHAPTER 10 ■ DATABASE TABLES
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346 CHAPTER 10 ■ DATABASE TABLES
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348 CHAPTER 10 ■ DATABASE TABLES
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350 CHAPTER 10 ■ DATABASE TABLES
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352 CHAPTER 10 ■ DATABASE TABLES
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354 CHAPTER 10 ■ DATABASE TABLES
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356 CHAPTER 10 ■ DATABASE TABLES
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358 CHAPTER 10 ■ DATABASE TABLES
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360 CHAPTER 10 ■ DATABASE TABLES
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362 CHAPTER 10 ■ DATABASE TABLES
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364 CHAPTER 10 ■ DATABASE TABLES
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366 CHAPTER 10 ■ DATABASE TABLES
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368 CHAPTER 10 ■ DATABASE TABLES
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370 CHAPTER 10 ■ DATABASE TABLES
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372 CHAPTER 10 ■ DATABASE TABLES
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374 CHAPTER 10 ■ DATABASE TABLES
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376 CHAPTER 10 ■ DATABASE TABLES
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378 CHAPTER 10 ■ DATABASE TABLES
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380 CHAPTER 10 ■ DATABASE TABLES
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382 CHAPTER 10 ■ DATABASE TABLES
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384 CHAPTER 10 ■ DATABASE TABLES
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386 CHAPTER 10 ■ DATABASE TABLES
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388 CHAPTER 10 ■ DATABASE TABLES
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390 CHAPTER 10 ■ DATABASE TABLES
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392 CHAPTER 10 ■ DATABASE TABLES
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394 CHAPTER 10 ■ DATABASE TABLES
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396 CHAPTER 10 ■ DATABASE TABLES
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398 CHAPTER 10 ■ DATABASE TABLES
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400 CHAPTER 10 ■ DATABASE TABLES
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402 CHAPTER 10 ■ DATABASE TABLES
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404 CHAPTER 10 ■ DATABASE TABLES
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406 CHAPTER 10 ■ DATABASE TABLES
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408 CHAPTER 10 ■ DATABASE TABLES
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410 CHAPTER 10 ■ DATABASE TABLES
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412 CHAPTER 10 ■ DATABASE TABLES
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414 CHAPTER 10 ■ DATABASE TABLES
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416 CHAPTER 10 ■ DATABASE TABLES
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418 CHAPTER 10 ■ DATABASE TABLES
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CHAPTER 11 ■ ■ ■ Indexes Inde
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CHAPTER 11 ■ INDEXES 423 value of
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CHAPTER 11 ■ INDEXES 425 One of t
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CHAPTER 11 ■ INDEXES 427 We then
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CHAPTER 11 ■ INDEXES 429 we ended
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CHAPTER 11 ■ INDEXES 431 The data
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CHAPTER 11 ■ INDEXES 433 if ( (++
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CHAPTER 11 ■ INDEXES 435 Table 11
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CHAPTER 11 ■ INDEXES 437 When Sho
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CHAPTER 11 ■ INDEXES 439 an 8KB b
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CHAPTER 11 ■ INDEXES 441 select *
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CHAPTER 11 ■ INDEXES 443 select *
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CHAPTER 11 ■ INDEXES 445 Indicate
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CHAPTER 11 ■ INDEXES 447 an index
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CHAPTER 11 ■ INDEXES 449 Table 11
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CHAPTER 11 ■ INDEXES 451 9 1, 'M'
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CHAPTER 11 ■ INDEXES 453 column w
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CHAPTER 11 ■ INDEXES 455 Bitmap j
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CHAPTER 11 ■ INDEXES 457 INSERT a
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CHAPTER 11 ■ INDEXES 459 7 l_last
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CHAPTER 11 ■ INDEXES 461 ops$tkyt
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CHAPTER 11 ■ INDEXES 463 If we co
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CHAPTER 11 ■ INDEXES 465 ops$tkyt
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CHAPTER 11 ■ INDEXES 467 Caveat o
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CHAPTER 11 ■ INDEXES 469 ops$tkyt
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CHAPTER 11 ■ INDEXES 471 Frequent
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CHAPTER 11 ■ INDEXES 473 select *
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CHAPTER 11 ■ INDEXES 475 If you s
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CHAPTER 11 ■ INDEXES 477 we’ll
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CHAPTER 11 ■ INDEXES 479 Predicat
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CHAPTER 11 ■ INDEXES 481 ops$tkyt
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CHAPTER 11 ■ INDEXES 483 ops$tkyt
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CHAPTER 11 ■ INDEXES 485 This dem
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CHAPTER 11 ■ INDEXES 487 SELECT /
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CHAPTER 12 ■ ■ ■ Datatypes Ch
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CHAPTER 12 ■ DATATYPES 491 • TI
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CHAPTER 12 ■ DATATYPES 493 (in th
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CHAPTER 12 ■ DATATYPES 495 That d
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CHAPTER 12 ■ DATATYPES 497 ops$tk
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CHAPTER 12 ■ DATATYPES 499 Table
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CHAPTER 12 ■ DATATYPES 501 The IN
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CHAPTER 12 ■ DATATYPES 503 ops$tk
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CHAPTER 12 ■ DATATYPES 505 • BI
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CHAPTER 12 ■ DATATYPES 507 NUMBER
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CHAPTER 12 ■ DATATYPES 509 MSG NU
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CHAPTER 12 ■ DATATYPES 511 They a
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CHAPTER 12 ■ DATATYPES 513 ■Not
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CHAPTER 12 ■ DATATYPES 515 Coping
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CHAPTER 12 ■ DATATYPES 517 Note t
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CHAPTER 12 ■ DATATYPES 519 We are
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CHAPTER 12 ■ DATATYPES 521 Format
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CHAPTER 12 ■ DATATYPES 523 ops$tk
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CHAPTER 12 ■ DATATYPES 525 You ca
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CHAPTER 12 ■ DATATYPES 527 month
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CHAPTER 12 ■ DATATYPES 529 DT2-DT
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CHAPTER 12 ■ DATATYPES 531 DT TS
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CHAPTER 12 ■ DATATYPES 533 ops$tk
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CHAPTER 12 ■ DATATYPES 535 Since
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CHAPTER 12 ■ DATATYPES 539 ops$tk
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CHAPTER 12 ■ DATATYPES 541 suppor
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CHAPTER 12 ■ DATATYPES 543 Concep
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CHAPTER 12 ■ DATATYPES 545 We can
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CHAPTER 12 ■ DATATYPES 547 buffer
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CHAPTER 12 ■ DATATYPES 549 Note t
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CHAPTER 12 ■ DATATYPES 551 13 dbm
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CHAPTER 12 ■ DATATYPES 553 equall
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CHAPTER 12 ■ DATATYPES 555 ROWID/
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CHAPTER 13 ■ ■ ■ Partitioning
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CHAPTER 13 ■ PARTITIONING 559 6 (
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CHAPTER 13 ■ PARTITIONING 561 els
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CHAPTER 13 ■ PARTITIONING 563 BIG
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CHAPTER 13 ■ PARTITIONING 565 Enh
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CHAPTER 13 ■ PARTITIONING 567 Tab
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CHAPTER 13 ■ PARTITIONING 569 tha
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CHAPTER 13 ■ PARTITIONING 571 PAR
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CHAPTER 13 ■ PARTITIONING 573 35
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CHAPTER 13 ■ PARTITIONING 575 If
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CHAPTER 13 ■ PARTITIONING 577 We
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CHAPTER 13 ■ PARTITIONING 579 14
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CHAPTER 13 ■ PARTITIONING 581 ops
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CHAPTER 13 ■ PARTITIONING 583 In
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CHAPTER 13 ■ PARTITIONING 585 ops
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CHAPTER 13 ■ PARTITIONING 587 | S
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CHAPTER 13 ■ PARTITIONING 589 12
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CHAPTER 13 ■ PARTITIONING 591 ops
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CHAPTER 13 ■ PARTITIONING 593 •
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CHAPTER 13 ■ PARTITIONING 595 Now
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CHAPTER 13 ■ PARTITIONING 597 the
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CHAPTER 13 ■ PARTITIONING 599 imp
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CHAPTER 13 ■ PARTITIONING 601 OLT
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CHAPTER 13 ■ PARTITIONING 603 5 s
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CHAPTER 13 ■ PARTITIONING 605 Sur
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CHAPTER 13 ■ PARTITIONING 607 On
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CHAPTER 13 ■ PARTITIONING 609 Row
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CHAPTER 13 ■ PARTITIONING 611 So,
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CHAPTER 13 ■ PARTITIONING 613 Aud
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CHAPTER 14 ■ ■ ■ Parallel Exe
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 15 ■ ■ ■ Data Loading
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CHAPTER 15 ■ DATA LOADING AND UNL
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706 ■INDEX autonomous transaction
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708 ■INDEX CREATE ANY DIRECTORY f
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710 ■INDEX dedicated server, 57-5
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712 ■INDEX flat files, 66, 113-14
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714 ■INDEX job queue coordinator
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716 ■INDEX MAXTRANS parameter, 21
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720 ■INDEX REUSE option, 97 REUSE
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722 ■INDEX System Global Area (SG
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724 ■INDEX utility background pro
■INDEX 717<br />
O<br />
object tables, 338, 410–18<br />
OBJECT_ID column, 330, 384–85, 609<br />
OBJECT_NAME column, 428<br />
OBJECT_NAME statement, 269<br />
OCFS (<strong>Oracle</strong> Cluster File System), 89<br />
OCI programs, 650<br />
OEM (<strong>Oracle</strong> Enterprise Manager), 70<br />
OIDINDEX clause, 414<br />
OLTP, 565–66, 601–6<br />
OLTP (transaction processing) system, 101<br />
ON COMMIT DELETE ROWS global temporary<br />
table, 409<br />
ON COMMIT PRESERVE ROWS global<br />
temporary table, 409<br />
ON COMMIT PRESERVE rows table, 409<br />
ONE_SESSION profile, 40<br />
online redo log files, 99–101, 283–84<br />
database buffer cache, 100<br />
factors affecting, 101<br />
OPEN comm<strong>and</strong>, 21<br />
operating system, <strong>Oracle</strong> database as virtual<br />
operating system, 3<br />
operating system-dependent (OSD) code, 35<br />
OPT_CMP_PCTSAVE value, 486<br />
OPT_CMPR_COUNT column, 364, 429<br />
OPT_CMPR_PCTSAVE column, 364, 428–29<br />
optimistic locking, 189–90<br />
vs. pessimistic locking, 200<br />
strategies for avoiding lost updates, 189<br />
using checksum, 193–95<br />
using ORA_ROWSCN function, 196–99<br />
using version column, 190–93<br />
ora_ckpt_ora10g process, 56<br />
ora_pmon_ora10g process, 56<br />
ORA_ROWSCN function, 196–99<br />
ORA-01555 error, 242, 268, 270, 314, 468–69, 551<br />
block cleanout, 325, 332<br />
causes, 325<br />
COMMIT statement, 325<br />
delayed block cleanout, 332–36<br />
overview, 325–26<br />
read consistent model, 325<br />
read only isolation level, 242<br />
rollback segment size, 326<br />
solutions to error, 336<br />
undo segment size, 325, 329<br />
undo segments are too small, 326–32<br />
ORA-08177 error, 240, 249<br />
ora10g.localdomain connection string, 61<br />
ORA-30036 error, 270<br />
<strong>Oracle</strong> Call Interface (OCI), 180, 650<br />
<strong>Oracle</strong> Cluster File System (OCFS), 89<br />
<strong>Oracle</strong> data dictionary, 564<br />
<strong>Oracle</strong> Data Guard, 181<br />
<strong>Oracle</strong> <strong>Database</strong> Reference manual, 68<br />
<strong>Oracle</strong> Enterprise Manager (OEM), 70<br />
<strong>Oracle</strong> Forms<br />
<strong>and</strong> deadlocks, 205<br />
strategies for avoiding lost updates, 187<br />
<strong>Oracle</strong> Internet Directory (OID), 61<br />
<strong>Oracle</strong> Net software, 157<br />
<strong>Oracle</strong> RAC, 172<br />
<strong>Oracle</strong> SQL Reference manual, 353<br />
<strong>Oracle</strong> TNS listener, 158<br />
ORACLE_DATAPUMP type, 683<br />
ORACLE_LOADER type, 683<br />
<strong>Oracle</strong>9i Utilities Guide, 651<br />
oracle.exe process, 56<br />
orapwd comm<strong>and</strong>-line tool, 104<br />
ORCL record, 361<br />
ORDER_DT column, 389<br />
ORDIMAGE type column, 677<br />
ORDSYS.ORDIMAGE type, 676–78<br />
ORDYS.ORDIMAGE object<br />
loading data into LOBS, 676<br />
SETPROPERTIES method, 678<br />
structure, 677<br />
ORGANIZATION EXTERNAL clause, 683<br />
OS/390 Workload Manager (WLM), 49<br />
OSD (operating system-dependent) code, 35<br />
OSD code, 35<br />
OVERFLOW option, CREATE TABLE statement,<br />
367<br />
OVERFLOW segment, 367<br />
OWA_OPT_LOCK.CHECKSUM method, 193<br />
P<br />
parallel execution<br />
overview, 615–16<br />
parallel DDL, 627–39. See also extent<br />
trimming<br />
<strong>and</strong> data loading using external tables,<br />
628–29<br />
overview, 627–28<br />
parallel DML (PDML), 616, 624–27<br />
parallel query, 618–24<br />
parallel recovery, 639<br />
procedural parallelism<br />
do-it-yourself parallelism, 643–47<br />
overview, 639–40<br />
parallel pipelined functions, 640–43<br />
servers, 618<br />
when to use, 616–18<br />
parallel pipelined functions, 639<br />
parallel query, 615<br />
parallel query coordinator, 182<br />
parallel query (PQ) slaves, 182, 618<br />
parallel recovery, 616<br />
PARALLEL_ENABLED function, 641
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