Beginning Oracle Database 11g Administration From Novice to Professional

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CHAPTER 13 RECOVERY 285 Flashback Transaction The SQL statements required to reverse changes can be automatically generated from the undo segments. For example, an statement can be reversed with a statement, and vice versa. All one needs to do is to select the necessary SQL statements from the view—a DBA- level privilege called is required. The transaction identifier () in the following example is the one obtained in the previous section: Flashback Table All changes made to a table can be removed by using the command if the information in the undo segments has not yet been overwritten by newer transactions. For example, suppose that we inadvertently increased the salary of all employees, as in the following example:
286 CHAPTER 13 RECOVERY Before we use the command, we must give Oracle permission to restore rows to new locations if necessary. We do this using the clause of the command; we can then issue the command: Flashback Drop If an entire table is inadvertently deleted, it can be simply recovered from the Recycle Bin by using the command. Dropped tables remain in the Recycle Bin until they are explicitly purged by using the command:
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Beginning Oracle Database 11g Admin
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For Michelle. “Oh Fame!—if I e
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PART III Database Support CHAPTE
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viii CONTENTS CHAPTER 2 SQL and PL/
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x CONTENTS Client Installations ...
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xii CONTENTS Data Loading .........
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xiv CONTENTS Practical Demonstratio
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xvi CONTENTS PART IV Database Tu
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About the Author IGGY FERNANDEZ has
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Acknowledgments I would like to tha
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xxvi INTRODUCTION Who This Book Is
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xxviii INTRODUCTION performing afte
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xxx INTRODUCTION Chapter 14: Databa
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PART I Database Concepts
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4 CHAPTER 1 RELATIONAL DATABASE MA
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10 CHAPTER 1 RELATIONAL DATABASE M
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22 CHAPTER 2 SQL AND PL/SQL As an
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24 CHAPTER 2 SQL AND PL/SQL Listin
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26 CHAPTER 2 SQL AND PL/SQL Data D
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28 CHAPTER 2 SQL AND PL/SQL The DE
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30 CHAPTER 2 SQL AND PL/SQL
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32 CHAPTER 2 SQL AND PL/SQL Listin
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34 CHAPTER 2 SQL AND PL/SQL The ve
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36 CHAPTER 2 SQL AND PL/SQL In Cha
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38 CHAPTER 2 SQL AND PL/SQL Introd
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40 CHAPTER 2 SQL AND PL/SQL Storin
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48 CHAPTER 2 SQL AND PL/SQL Exerci
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CHAPTER 3 Oracle Architecture Try t
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CHAPTER 3 ORACLE ARCHITECTURE 53 D
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CHAPTER 3 ORACLE ARCHITECTURE 55 T
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CHAPTER 3 ORACLE ARCHITECTURE 57 t
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CHAPTER 3 ORACLE ARCHITECTURE 59
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CHAPTER 3 ORACLE ARCHITECTURE 61
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PART II Database Implementation
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66 CHAPTER 4 PLANNING in a separat
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68 CHAPTER 4 PLANNING Free to Down
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70 CHAPTER 4 PLANNING Architectura
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72 CHAPTER 4 PLANNING resources an
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74 CHAPTER 4 PLANNING Disk Sizing
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76 CHAPTER 4 PLANNING Disk Speed P
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78 CHAPTER 4 PLANNING t
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CHAPTER 5 Software Installation The
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CHAPTER 5 SOFTWARE INSTALLATION 83
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96 CHAPTER 6 DATABASE CREATION Nor
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98 CHAPTER 6 DATABASE CREATION Fig
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100 CHAPTER 6 DATABASE CREATION 6.
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102 CHAPTER 6 DATABASE CREATION Th
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104 CHAPTER 6 DATABASE CREATION Fi
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112 CHAPTER 6 DATABASE CREATION In
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118 CHAPTER 6 DATABASE CREATION Ta
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120 CHAPTER 6 DATABASE CREATION Po
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122 CHAPTER 6 DATABASE CREATION
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132 CHAPTER 7 PHYSICAL DATABASE DE
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152 CHAPTER 8 USER MANAGEMENT AND
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PART III Database Support
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186 CHAPTER 9 TAKING CONTROL Listi
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188 CHAPTER 9 TAKING CONTROL Figur
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196 CHAPTER 9 TAKING CONTROL
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202 CHAPTER 10 MONITORING Monitori
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204 CHAPTER 10 MONITORING L
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206 CHAPTER 10 MONITORING
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208 CHAPTER 10 MONITORING Listing
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210 CHAPTER 10 MONITORING The vie
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220 CHAPTER 10 MONITORING Exercise
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CHAPTER 11 Fixing Problems Rise and
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CHAPTER 11 FIXING PROBLEMS 225 3.
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CHAPTER 11 FIXING PROBLEMS 227 Not
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CHAPTER 11 FIXING PROBLEMS 229
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CHAPTER 11 FIXING PROBLEMS 231 One
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CHAPTER 11 FIXING PROBLEMS 233 Fig
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Page 274 and 275: CHAPTER 12 Backups As to our Conduc
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CHAPTER 15 THE BIG PICTURE AND THE
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PART IV Database Tuning
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358 CHAPTER 16 INSTANCE TUNING “
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360 CHAPTER 16 INSTANCE TUNING 1.
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362 CHAPTER 16 INSTANCE TUNING
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366 CHAPTER 16 INSTANCE TUNING V$S
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372 CHAPTER 16 INSTANCE TUNING It
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376 CHAPTER 16 INSTANCE TUNING doc
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380 CHAPTER 16 INSTANCE TUNING 17.
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382 CHAPTER 17 SQL TUNING Identify
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384 CHAPTER 17 SQL TUNING
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386 CHAPTER 17 SQL TUNING Indexes
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388 CHAPTER 17 SQL TUNING The most
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390 CHAPTER 17 SQL TUNING It is my
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394 CHAPTER 17 SQL TUNING Five row
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396 CHAPTER 17 SQL TUNING Let’s
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406 CHAPTER 17 SQL TUNING SQL
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408 CHAPTER 17 SQL TUNING Ext
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410 CHAPTER 17 SQL TUNING It’
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416 CHAPTER 17 SQL TUNING Lewis, J
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418 INDEX backout section, 349 back
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420 INDEX databases administration
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422 INDEX Enable Automatic Maintena
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424 INDEX Listener Configuration, 9
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426 INDEX Perl, 91-92 perl -v comma
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428 INDEX SHOW ALL command, 269 SHO
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430 INDEX user management creating
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