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Agenda
Overview
Oracle Export and Import Utilities
Methods of Invoking the Export and Import Utilities Export Modes
Direct-Path Export Concepts
Uses of the Import Utility for Recovery Globalization Support Considerations
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Objectives
1. Describe the uses of the Export and
Import utilities
2. Describe Export and Import conceptsand structures
3. Perform simple Export and Import
operations4. List guidelines for using Export and
Import
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Oracle
database
Oracledatabase
Export
Import
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You can use these utilities to do the following:
Archive historical data
Save table definitions to protect them fromuser error failure
Move data between machines and databases
or between different versions of the Oracle
server Transport tablespaces between databases
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SOFTEX Form Procedure
Original Sent Directly to RBI by Certifying Agency
Duplicate Retuned to Exporter
Triplicate Retained by STPI/FTZ/EPZ Duplicate form to be submitted to AD within 21 days of
certification
Billing to be done for long term contracts on reaching"milestones" or once a month for others within 15 days
of completion and for certification by the authorities in the
STP
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Methods of Invoking the
Export and Import Utilities Command-line interface
An interactive dialog
Parameter files
Oracle Enterprise Manager
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Syntax:
Examples:
exp hr/hr TABLES=employees,departments
rows=y file=exp1.dmp
exp keyword = value, value2, ,valuen
exp system/manager OWNER=hr direct=y
file=expdat.dmp
exp \'username/password AS SYSDBA\'
TRANSPORT_TABLESPACE=y
TABLESPACES=ts_emp log=ts_emp.log
Invoking Export
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Using the Export Wizard
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Direct-Path Export Concepts
Buffercache
Generate SQL
commandsWrite
blocks
Direct Path
Dump file
Export
Export Oracle Server
Readblocks
Evaluatingbuffer
TTCbuffer
Buffer
cache
manager
SQL
command
processing
Two-Task
common
(TTC)
Direct Path
Conventional Path
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The direct-path option cannot be invoked
interactively.
Client-side and server-side character sets must
be the same. The BUFFER parameter has no affect.
You cannot use the direct-path option to exportrows containing LOB, BFILE, REF, or object
types.
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Create table definitions
Extract data from a valid Export file
Import from a complete or cumulative Export file
Recover from user-error failures
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Import Modes
Mode Description
Table Import specified tables into a schema.
User Import all objects that belong to a
schema
Tablespace Import all definitions of the objects
contained in the tablespace
Full Database Import all objects from the export file
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Exim Bank
Set up by an act of parliament in
September, 1981
Wholly owned by Government of India
Commenced operations in march, 1982
Established for providing financial assistance
to exporters and importers, and for functioning
as the principal financial institution forcoordinating the working of institutions
engaged in financing export and import of goods
and services with a view to promoting the
countrys international trade
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Using the Import Wizard
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1. New tables are created
2. Data is imported
3. Indexes are built
4. Triggers are imported
5. Integrity constraints are enabled on thenew tables
6. Any bitmap, functional, and/or domain indexes are built
Import Process Sequence
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The Export file identifies the character
encoding scheme used for the character data
in the file.The Import utility translates data to the
character set of its host system.
A multibyte character set Export file must be
imported into a system that has the same
characteristics.