Apress.Expert.Oracle.Database.Architecture.9i.and.10g.Programming.Techniques.and.Solutions.Sep.2005

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CHAPTER 15 ■ DATA LOADING AND UNLOADING 703 This makes it rather easy to load this extract on another database, as it would simply be SQL> insert /*+ append */ into some_table select * from all_objects_unload; and you are done—the data is loaded. Summary In this chapter, we covered many of the ins and outs of data loading and unloading. We started with SQL*Loader (SQLLDR) and examined many of the basic techniques for loading delimited data, fixed-width data, LOBs, and the like. We discussed how this knowledge carries right over into external tables, a new feature in Oracle9i and later that is useful as a replacement for SQLLDR, but that still utilizes our SQLLDR skills. Then we looked at the reverse process, data unloading, and how to get data out of the database in a format that other tools, such as spreadsheets or the like, may use. In the course of that discussion, we developed a PL/SQL utility to demonstrate the process—one that unloads data in a SQLLDR-friendly format, but could easily be modified to meet our needs. Lastly, we looked at a new Oracle 10g feature, the external table unload, and the ability to easily create and move extracts of data from database to database.
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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 xxxv
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■SETTING UP YOUR ENVIRONMENT xxxv
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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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50 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 5 ■ ■ ■ Oracle Proces
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CHAPTER 5 ■ ORACLE PROCESSES 157
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CHAPTER 6 ■ ■ ■ Locking and L
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CHAPTER 6 ■ LOCKING AND LATCHING
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CHAPTER 7 ■ ■ ■ Concurrency a
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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 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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306 CHAPTER 9 ■ REDO AND UNDO ins
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308 CHAPTER 9 ■ REDO AND UNDO So,
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314 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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328 CHAPTER 9 ■ REDO AND UNDO Thi
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332 CHAPTER 9 ■ REDO AND UNDO Whe
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336 CHAPTER 9 ■ REDO AND UNDO tou
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338 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 435 Table 11
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CHAPTER 11 ■ INDEXES 439 an 8KB b
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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 455 Bitmap j
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CHAPTER 11 ■ INDEXES 457 INSERT a
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CHAPTER 12 ■ ■ ■ Datatypes Ch
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CHAPTER 12 ■ DATATYPES 507 NUMBER
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CHAPTER 12 ■ DATATYPES 515 Coping
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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 529 DT2-DT
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CHAPTER 12 ■ DATATYPES 535 Since
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CHAPTER 12 ■ DATATYPES 543 Concep
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CHAPTER 12 ■ DATATYPES 547 buffer
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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 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 609 Row
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CHAPTER 13 ■ PARTITIONING 611 So,
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CHAPTER 14 ■ ■ ■ Parallel Exe
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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