05.11.2015
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■INDEX 707 C C_FK (child foreign key) constraint, 264 CACHE clause, 552 CASCADE UPDATE command , 263 cascading updates, 263–65 CASE statement, 467–68, 662–63 CAST function, 385, 513 catalog.sql script, 54 change tracking file, 65, 106 CHAR type, 489, 496, 499, 502 character large objects (CLOBs), 341, 491, 514, 540, 669 character set, defined, 492 character strings bytes or characters, 499–501 N variant, 498, 502 NLS (National Language Support) overview, 492–95 overview, 495–98 syntax, 498 checkpointing, 100 checksum, optimistic locking using, 193–95 child foreign key (C_FK) constraint, 264 CHUNK size, 549 CJQ0 and Jnnn processes (job queues), 179–80 CKPT (checkpoint process), 175 CLUSTER, 370 cluster segment type, 339 clustered file system, 89 CLUSTERING_FACTOR column, 444 COALESCE command , 483 CODE_KEY_COLUMN, 578 COL_CNT column, 207 COLOCATED table, 440 COLOCATED_PK index, 445 COLUMN OBJECT construct, 678 comma-separated values (CSV) format, 654 COMMENTS column, 673 COMMIT, 292, 294–98 Commit clean out, 314–15 COMMIT option, 274 COMMIT SCN, 332 COMMIT statement, 256, 277 compared to rollback, 298 description, 292 LGWR, 296 ORA-01555, 325 SCN, generating, 296 synchronous calls to LGWR from COMMIT, 297 COMMIT_POINT_STRENGTH parameter, 274 complex secondary data files, 675 composite partitioning, 567, 577, 579, 582 COMPRESS 2 table, 363 concurrency and multi-versioning concurrency controls, 231–32 implications of multi-version read consistency common data warehousing technique that fails, 242–43 higher than expected I/O on hot tables, 244–46 overview, 242 overview, 231 transaction isolation levels overview, 232–34 READ COMMITTED, 235–37 READ ONLY, 241–42 READ UNCOMMITTED, 234–35 REPEATABLE READ, 237–39 SERIALIZABLE, 239–41 write consistency consistent reads and current reads, 247–49 importance of restart, 252–53 overview, 246–47 seeing a restart, 249–52 concurrency control locking policy, 184 multi-versioning, 20 Oracle database, 185 Sybase, 184 transaction isolation levels dirty read, 232 non-repeatable read, 232 phantom read, 233 read committed isolation level, 233, 235 read only isolation level, 233, 241 read uncommitted isolation level, 233–34 repeatable read isolation level, 233, 237 serializable isolation level, 233, 239 CONNECT BY operation, 35 CONNECT BY query, 279 CONNECT command , 162 connections, 159–65 dedicated servers, 57–58 over TCP/IP, 60, 62 overview, 57 shared servers, 59–60 consistent (query) mode gets, 248 context switching, 222 control file, SQLLDR, 651, 680 CONTROL_FILES parameter, 68, 149, 694 cooked file systems, 319 cooked operating system (OS) file systems, 89 Core conformance, SQL99, 30 CORE_DUMP_DEST parameter, 80 cost-based optimizer (CBO), 406, 456 COUNT(*) function, 688
708 ■INDEX CREATE ANY DIRECTORY function, 670 CREATE ANY DIRECTORY parameter, 685 CREATE CLUSTER statement, 371, 378, 380 CREATE DATABASE command , 53, 88, 92 CREATE DIRECTORY statement, 682 CREATE INDEX command , 453, 456, 460, 627 CREATE INDEX statement, 371 function based indexes, 456 substr function, 460 CREATE MATERIALIZED VIEW command , 36 CREATE SESSION privilege, 80 CREATE SPFILE command , 71, 78 CREATE statement, 214, 351, 399 CREATE TABLE AS SELECT statement, 627–28, 701 CREATE TABLE NEW_TABLE AS SELECT command , 630 CREATE TABLE statement, 110, 340, 351, 362, 371, 392, 401, 543, 567, 588, 632, 681, 691, 701 heap organized tables, 353 index organized tables, 362, 367 CREATE TEMPORARY TABLESPACE command , 96 CREATE/ALTER statements, 110 CSV (comma-separated values) format, 654 CTWR (change tracking processes), 181 current mode gets, 248 CURSOR_SHARING parameter, 45, 148 CUST_ID column, 389 D daemon processes, 38 Data Definition Language. See DDL data dictionary cache, 148 data files, 65 database architecture, file types, 88 dictionary-managed and locally-managed tablespaces, 94–95 file system mechanisms overview, 89–90 overview, 88 storage hierarchy in Oracle database blocks, 91–93 extents, 90–91 overview, 90 segments, 90 tablespaces, 93 data loading. See loading and unloading data Data Pump files, 66, 110–13 Data Pump format, 683, 701 Data Pump utility, 181 data unloading, 649, 692, 701–3 data warehousing, 606, 624 data warehouse systems, 566 and global indexes, 592–95, 597–600 data with embedded newlines, loading with SQLLDR converting other character into newline, 663 using FIX attribute, 665 using STR attribute, 668 using VAR attribute, 667 database definition, 50 vs. instance, 50–55 database architecture, 49 background processes, 56, 155, 170 focused background processes, 171 UNIX-based systems, 56 utility background processes, 178 Windows-based systems, 56 dedicated server, 58 file types, 65 control files, 98 data files, 88 redo log files, 98 temp files, 96 memory structures PGA, 115 SGA, 55, 115 server processes, 155 dedicated server, 156 MTS, 156, 158 slave processes, 155 I/O slaves, 181 parallel query slaves, 182 database block writer (DBWn), 175–76, 179 database buffer cache, 100 database configuration assistant (DBCA), 95 database dependence, 31 database event triggers, 79 database independence defensive programming, 31–35 features and functions, 36–39 impact of stand ards, 29–31 infeasibility of total independence, 32 openness, 40–42 Oracle applications, 27 overview, 26–29 problems with, 26 solving problems simply, 39–40 database links, 273 database recovery, 46 database stand ards, 29 database trigger, 27 database tuning, 42 datatypes. See also LOBs binary strings, 502–4 character strings bytes or characters, 499–501 N variant, 502 NLS (National Language Support) overview, 492–95
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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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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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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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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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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 129
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CHAPTER 4 ■ MEMORY STRUCTURES 131
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CHAPTER 4 ■ MEMORY STRUCTURES 133
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CHAPTER 4 ■ MEMORY STRUCTURES 135
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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 141
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CHAPTER 4 ■ MEMORY STRUCTURES 143
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CHAPTER 4 ■ MEMORY STRUCTURES 145
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CHAPTER 4 ■ MEMORY STRUCTURES 147
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CHAPTER 4 ■ MEMORY STRUCTURES 149
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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 165
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CHAPTER 5 ■ ORACLE PROCESSES 167
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CHAPTER 5 ■ ORACLE PROCESSES 169
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CHAPTER 5 ■ ORACLE PROCESSES 171
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CHAPTER 5 ■ ORACLE PROCESSES 173
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CHAPTER 5 ■ ORACLE PROCESSES 175
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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 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 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 263 “s
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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 277 3 Au
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CHAPTER 8 ■ TRANSACTIONS 279 5 pr
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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$tk
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CHAPTER 12 ■ DATATYPES 535 Since
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CHAPTER 12 ■ DATATYPES 537 ops$tk
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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 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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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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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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706 ■INDEX autonomous transaction
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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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718 ■INDEX parameter files (PFILE
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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 707<br />
C<br />
C_FK (child foreign key) constraint, 264<br />
CACHE clause, 552<br />
CASCADE UPDATE comm<strong>and</strong>, 263<br />
cascading updates, 263–65<br />
CASE statement, 467–68, 662–63<br />
CAST function, 385, 513<br />
catalog.sql script, 54<br />
change tracking file, 65, 106<br />
CHAR type, 489, 496, 499, 502<br />
character large objects (CLOBs), 341, 491, 514,<br />
540, 669<br />
character set, defined, 492<br />
character strings<br />
bytes or characters, 499–501<br />
N variant, 498, 502<br />
NLS (National Language Support) overview,<br />
492–95<br />
overview, 495–98<br />
syntax, 498<br />
checkpointing, 100<br />
checksum, optimistic locking using, 193–95<br />
child foreign key (C_FK) constraint, 264<br />
CHUNK size, 549<br />
CJQ0 <strong>and</strong> Jnnn processes (job queues), 179–80<br />
CKPT (checkpoint process), 175<br />
CLUSTER, 370<br />
cluster segment type, 339<br />
clustered file system, 89<br />
CLUSTERING_FACTOR column, 444<br />
COALESCE comm<strong>and</strong>, 483<br />
CODE_KEY_COLUMN, 578<br />
COL_CNT column, 207<br />
COLOCATED table, 440<br />
COLOCATED_PK index, 445<br />
COLUMN OBJECT construct, 678<br />
comma-separated values (CSV) format, 654<br />
COMMENTS column, 673<br />
COMMIT, 292, 294–98<br />
Commit clean out, 314–15<br />
COMMIT option, 274<br />
COMMIT SCN, 332<br />
COMMIT statement, 256, 277<br />
compared to rollback, 298<br />
description, 292<br />
LGWR, 296<br />
ORA-01555, 325<br />
SCN, generating, 296<br />
synchronous calls to LGWR from COMMIT,<br />
297<br />
COMMIT_POINT_STRENGTH parameter, 274<br />
complex secondary data files, 675<br />
composite partitioning, 567, 577, 579, 582<br />
COMPRESS 2 table, 363<br />
concurrency <strong>and</strong> multi-versioning<br />
concurrency controls, 231–32<br />
implications of multi-version read<br />
consistency<br />
common data warehousing technique<br />
that fails, 242–43<br />
higher than expected I/O on hot tables,<br />
244–46<br />
overview, 242<br />
overview, 231<br />
transaction isolation levels<br />
overview, 232–34<br />
READ COMMITTED, 235–37<br />
READ ONLY, 241–42<br />
READ UNCOMMITTED, 234–35<br />
REPEATABLE READ, 237–39<br />
SERIALIZABLE, 239–41<br />
write consistency<br />
consistent reads <strong>and</strong> current reads, 247–49<br />
importance of restart, 252–53<br />
overview, 246–47<br />
seeing a restart, 249–52<br />
concurrency control<br />
locking policy, 184<br />
multi-versioning, 20<br />
<strong>Oracle</strong> database, 185<br />
Sybase, 184<br />
transaction isolation levels<br />
dirty read, 232<br />
non-repeatable read, 232<br />
phantom read, 233<br />
read committed isolation level, 233, 235<br />
read only isolation level, 233, 241<br />
read uncommitted isolation level, 233–34<br />
repeatable read isolation level, 233, 237<br />
serializable isolation level, 233, 239<br />
CONNECT BY operation, 35<br />
CONNECT BY query, 279<br />
CONNECT comm<strong>and</strong>, 162<br />
connections, 159–65<br />
dedicated servers, 57–58<br />
over TCP/IP, 60, 62<br />
overview, 57<br />
shared servers, 59–60<br />
consistent (query) mode gets, 248<br />
context switching, 222<br />
control file, SQLLDR, 651, 680<br />
CONTROL_FILES parameter, 68, 149, 694<br />
cooked file systems, 319<br />
cooked operating system (OS) file systems, 89<br />
Core conformance, SQL99, 30<br />
CORE_DUMP_DEST parameter, 80<br />
cost-based optimizer (CBO), 406, 456<br />
COUNT(*) function, 688
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