Beginning Oracle Database 11g Administration From Novice to Professional

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46 CHAPTER 2 SQL AND PL/SQL Parts That Are Supplied by Only a Specified Supplier The answer to this problem is far less complex than the answers to the previous problems. Two tables are subtracted from each other, and each table is produced by using simple Selection and Projection operations, as shown in Listing 2-28. Listing 2-28. Parts That Are Supplied by Only a Specified Supplier Summary The database administrator needs to understand SQL in all its forms. Many Oracle experts have devoted their entire careers to the study of SQL, and I have hardly been able to scratch the surface in this chapter. I highly recommend the books listed at the end of this chapter and, of course, the official Oracle reference works can always be downloaded from the Oracle web site. Here is a short summary of the concepts discussed in this chapter:
CHAPTER 2 SQL AND PL/SQL 47 in SQL. diagrams can include subdiagrams and can even refer to themselves in recursive fashion. For instance, a table reference can be an entire subquery—this kind of subquery is called an inline view. The list can include scalar subquery expressions—subqueries that return exactly one data item from exactly one data row. and Data Definition Language (DDL). DML includes the , , , , and statements. DDL includes the , , and statements for the different classes of objects in an Oracle database. The SQL reference manual also describes commands that can be used to perform database administration activities such as stopping and starting databases. municate with the database. a prohibition against duplicates causes queries that are seemingly equivalent to produce differing results and inhibits the query optimization process. mizer may not always choose the same query execution plan in all cases, even though the query plan that is most efficient in one case is obviously the most efficient for all other cases. programs has many advantages, including efficiency, control, and flexibility. PL/SQL offers a full complement of structured programming mechanisms such as condition checking, loops, and subroutines.
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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
Page 22 and 23: xxvi INTRODUCTION Who This Book Is
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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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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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206 CHAPTER 10 MONITORING
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208 CHAPTER 10 MONITORING Listing
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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 231 One
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CHAPTER 11 FIXING PROBLEMS 233 Fig
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CHAPTER 11 FIXING PROBLEMS 239 Rem
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CHAPTER 11 FIXING PROBLEMS 241 A v
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CHAPTER 11 FIXING PROBLEMS 243 Con
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CHAPTER 11 FIXING PROBLEMS 245 I
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CHAPTER 11 FIXING PROBLEMS 247 The
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CHAPTER 11 FIXING PROBLEMS 249 Nex
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CHAPTER 11 FIXING PROBLEMS 253
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CHAPTER 12 Backups As to our Conduc
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CHAPTER 12 BACKUPS 257 resources u
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CHAPTER 12 BACKUPS 259 backup mana
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CHAPTER 12 BACKUPS 261 Oracle-Mana
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CHAPTER 12 BACKUPS 263 RMAN procee
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CHAPTER 12 BACKUPS 269 A concise
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CHAPTER 12 BACKUPS 275 Figure 12-2
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CHAPTER 13 Recovery These Officers,
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CHAPTER 13 RECOVERY 281 base admin
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CHAPTER 13 RECOVERY 283 Flashbac
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CHAPTER 13 RECOVERY 285
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CHAPTER 13 RECOVERY 289 Figure 13-
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CHAPTER 13 RECOVERY 291 Note
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CHAPTER 13 RECOVERY 295 Nex
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CHAPTER 13 RECOVERY 299 Figure 13-
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CHAPTER 13 RECOVERY 301 Documentat
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CHAPTER 13 RECOVERY 303 g Lic
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CHAPTER 14 Database Maintenance “
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CHAPTER 14 DATABASE MAINTENANCE 30
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CHAPTER 15 The Big Picture and the
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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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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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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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Beginning Oracle Database 11g Administration From Novice to Professional

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