GOVERNMENT RIGHTS Programs, software, databases, and related documentation and technical data delivered to U.S.. As such, use, duplication, disclosure, modification, and adaptation of th
Trang 1Oracle® Database
Utilities
10g Release 2 (10.2)
B14215-01
June 2005
Trang 2Oracle Database Utilities, 10g Release 2 (10.2)
B14215-01
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Primary Author: Kathy Rich
Contributors: Lee Barton, Ellen Batbouta, Janet Blowney, George Claborn, Jay Davison, Steve DiPirro, Bill Fisher, Dean Gagne, John Galanes, John Kalogeropoulos, Jonathan Klein, Cindy Lim, Eric Magrath, Brian McCarthy, Rod Payne, Ray Pfau, Rich Phillips, Paul Reilly, Mike Sakayeda, Francisco Sanchez, Marilyn Saunders, Jim Stenoish, Carol Tagliaferri
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Trang 3Contents
Preface xxxi
Audience xxxi
Documentation Accessibility xxxi
Related Documentation xxxii
Conventions xxxiii
What's New in Database Utilities? xxxv
New Features in Oracle Database 10g Release 2 xxxv
New Features in Oracle Database 10g Release 1 xxxvi
Part I Oracle Data Pump
1 Overview of Oracle Data Pump
Data Pump Components 1-1
What New Features Do Data Pump Export and Import Provide? 1-2
How Does Data Pump Access Data? 1-4
Direct Path Loads and Unloads 1-4
External Tables 1-5
Accessing Data Over a Database Link 1-6
What Happens During Execution of a Data Pump Job? 1-6
Coordination of a Job 1-6
Tracking Progress Within a Job 1-6
Filtering Data and Metadata During a Job 1-7
Transforming Metadata During a Job 1-7
Maximizing Job Performance 1-8
Loading and Unloading of Data 1-8
Monitoring Job Status 1-8
Monitoring the Progress of Executing Jobs 1-9
File Allocation 1-10
Specifying Files and Adding Additional Dump Files 1-10
Default Locations for Dump, Log, and SQL Files 1-10
Using Directory Objects When Automatic Storage Management Is Enabled 1-12
Setting Parallelism 1-12
Using Substitution Variables 1-12
Moving Data Between Different Database Versions 1-13
Trang 4Original Export and Import Versus Data Pump Export and Import 1-14
2 Data Pump Export
What Is Data Pump Export? 2-1
Invoking Data Pump Export 2-2
Data Pump Export Interfaces 2-2
Data Pump Export Modes 2-3
Full Export Mode 2-3
Schema Mode 2-3
Table Mode 2-3
Tablespace Mode 2-3
Transportable Tablespace Mode 2-4
Network Considerations 2-4
Filtering During Export Operations 2-5
Data Filters 2-5
Metadata Filters 2-5
Parameters Available in Export's Command-Line Mode 2-6
ATTACH 2-7
COMPRESSION 2-8
CONTENT 2-8
DIRECTORY 2-9
DUMPFILE 2-9
ENCRYPTION_PASSWORD 2-10
ESTIMATE 2-12
ESTIMATE_ONLY 2-12
EXCLUDE 2-13
FILESIZE 2-14
FLASHBACK_SCN 2-15
FLASHBACK_TIME 2-16
FULL 2-17
HELP 2-17
INCLUDE 2-17
JOB_NAME 2-19
LOGFILE 2-19
NETWORK_LINK 2-20
NOLOGFILE 2-21
PARALLEL 2-21
PARFILE 2-22
QUERY 2-23
SAMPLE 2-24
SCHEMAS 2-24
STATUS 2-25
TABLES 2-25
TABLESPACES 2-26
TRANSPORT_FULL_CHECK 2-27
TRANSPORT_TABLESPACES 2-28
VERSION 2-28
Trang 5How Data Pump Export Parameters Map to Those of the Original Export Utility 2-29
Commands Available in Export's Interactive-Command Mode 2-31
ADD_FILE 2-32
CONTINUE_CLIENT 2-32
EXIT_CLIENT 2-32
FILESIZE 2-33
HELP 2-33
KILL_JOB 2-33
PARALLEL 2-34
START_JOB 2-34
STATUS 2-35
STOP_JOB 2-35
Examples of Using Data Pump Export 2-36
Performing a Table-Mode Export 2-36
Data-Only Unload of Selected Tables and Rows 2-36
Estimating Disk Space Needed in a Table-Mode Export 2-37
Performing a Schema-Mode Export 2-37
Performing a Parallel Full Database Export 2-37
Using Interactive Mode to Stop and Reattach to a Job 2-37
Syntax Diagrams for Data Pump Export 2-38
3 Data Pump Import
What Is Data Pump Import? 3-1
Invoking Data Pump Import 3-2
Data Pump Import Interfaces 3-2
Data Pump Import Modes 3-3
Full Import Mode 3-3
Schema Mode 3-3
Table Mode 3-4
Tablespace Mode 3-4
Transportable Tablespace Mode 3-4
Network Considerations 3-4
Filtering During Import Operations 3-5
Data Filters 3-5
Metadata Filters 3-5
Parameters Available in Import's Command-Line Mode 3-6
ATTACH 3-7
CONTENT 3-7
DIRECTORY 3-8
DUMPFILE 3-9
ENCRYPTION_PASSWORD 3-9
ESTIMATE 3-10
EXCLUDE 3-11
FLASHBACK_SCN 3-13
FLASHBACK_TIME 3-13
FULL 3-14
HELP 3-15
Trang 6loading datafiles containing tabs, 9-3
trimming, 9-33
whitespace, 9-33
temporary segments, 11-24
FILE parameter
SQL*Loader, 11-25
temporary storage in a direct path load, 11-9
TERMINATED BY clause
WHITESPACE
SQL*Loader, 9-19
with OPTIONALLY ENCLOSED BY, 9-36
terminated fields
specified with a delimiter, 9-36
specified with delimiters and SQL*Loader, 9-19
time
SQL*Loader datatypes for, 9-12
TOID_NOVALIDATE parameter
Import utility, 19-39
TOUSER parameter
Import utility, 19-40
trailing blanks
loading with delimiters, 9-22
TRAILING NULLCOLS parameter
SQL*Loader utility, 8-3, 8-29
trailing whitespace
trimming, 9-38
TRANSFORM parameter
Data Pump Import utility, 3-30
transparent data encryption
as handled by Data Pump Export, 2-10
as handled by Data Pump Import, 3-9
TRANSPORT_DATAFILES parameter
Data Pump Import utility, 3-32
TRANSPORT_FULL_CHECK parameter
Data Pump Export utility, 2-27
Data Pump Import utility, 3-32
TRANSPORT_TABLESPACE parameter
Export utility, 19-28
Import utility, 19-40
TRANSPORT_TABLESPACES parameter
Data Pump Export utility, 2-28
Data Pump Import utility, 3-33
transportable tablespaces, 19-58
transportable-tablespace mode Export
Data Pump Export utility, 2-4
triggers
database insert, 11-20
logon
effect in SQL*Loader, 8-25
permanently disabled, 11-22
replacing with integrity constraints, 11-20
system
testing, 19-11
update
SQL*Loader, 11-21
TRIGGERS parameter
Export utility, 19-28
trimming
summary, 9-34
trailing whitespace
SQL*Loader, 9-38 TTS_FULL_CHECK parameter Export utility, 19-28 TTS_OWNERS parameter Import utility, 19-40
U
undo tablespace consumption by Data Pump, 1-15 UNIQUE KEY constraints
effect on direct path load, 11-25 unique values
generating with SQL*Loader, 9-46 unloading entire database
Data Pump Export utility, 2-3 UNRECOVERABLE clause SQL*Loader, 11-15 unsorted data
direct path load SQL*Loader, 11-13 updating
rows in a table SQL*Loader, 8-26 user mode export specifying, 19-23 USER_SEGMENTS view Export and, 19-3 user-defined constructors, 10-6 loading column objects with, 10-6 USERID parameter
Export utility, 19-28 Import utility, 19-41 SQL*Loader command line, 7-12
V
V$DATABASE view, 17-29 V$LOGMNR_CONTENTS view, 17-12 formatting information returned to, 17-14 impact of querying, 17-12
information within, 17-10 limiting information returned to, 17-14 LogMiner utility, 17-4
requirements for querying, 17-9, 17-12 V$LOGMNR_DICTIONARY view, 17-29 V$LOGMNR_LOGS view, 17-9, 17-29 querying, 17-29
V$LOGMNR_PARAMETERS view, 17-28, 17-29 V$SESSION_LONGOPS view
monitoring Data Pump jobs with, 1-9 value datatypes, 9-6
VARCHAR datatype SQL*Loader, 9-10 VARCHAR2 datatype SQL*Loader, 9-18 VARCHARC datatype SQL*Loader, 9-16 VARGRAPHIC datatype SQL*Loader, 9-9
Trang 7variable records, 6-4
format, 10-2
variable-length records
external tables, 13-4
VARRAW datatype, 9-11
VARRAWC datatype, 9-17
VARRAY columns
memory issues when loading, 10-26 VERSION parameter
Data Pump Export utility, 2-28
Data Pump Import utility, 3-34
VOLSIZE parameter
Export utility, 19-29
Import utility, 19-41
W
warning messages
Export, 19-54
Import, 19-54
WHEN clause
SQL*Loader, 8-27, 9-23
SQL*Loader discards resulting from, 8-12 whitespace
included in a field, 9-37
leading, 9-35
preserving, 9-39
terminating a field, 9-19, 9-37
trimming, 9-33
X
XML columns
loading, 10-13
treatment by SQL*Loader, 10-13
XML type tables
identifying in SQL*Loader, 8-5
XMLTYPE clause
in SQL*Loader control file, 8-5
Z
ZONED datatype, 9-8
EXTERNAL format
SQL*Loader, 9-15