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Oracle Database Interview Question:
How To Invoke the Data Pump Export Utility?
Submitted by: AdministratorThe Data Pump Export utility is distributed as executable file called "expdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "expdp" command. Here is tutorial exercise on how to invoke the export utility:
>cd oraclexeapporacleproduct10.2.0serverBIN
>expdp help=y
Export: Release 10.2.0.1.0 -
The Data Pump export utility provides a mechanism for
transferring data objects between Oracle databases. The
utility is invoked with the following command:
Example: expdp scott/tiger DIRECTORY=dmpdir
DUMPFILE=scott.dmp
You can control how Export runs by entering the 'expdp'
command followed by various parameters:
Format: expdp KEYWORD=value or
KEYWORD=(value1,value2,...,valueN)
Example: expdp scott/tiger DUMPFILE=scott.dmp
DIRECTORY=dmpdir
SCHEMAS=scott or TABLES=(T1:P1,T1:P2)
Submitted by: Administrator
>cd oraclexeapporacleproduct10.2.0serverBIN
>expdp help=y
Export: Release 10.2.0.1.0 -
The Data Pump export utility provides a mechanism for
transferring data objects between Oracle databases. The
utility is invoked with the following command:
Example: expdp scott/tiger DIRECTORY=dmpdir
DUMPFILE=scott.dmp
You can control how Export runs by entering the 'expdp'
command followed by various parameters:
Format: expdp KEYWORD=value or
KEYWORD=(value1,value2,...,valueN)
Example: expdp scott/tiger DUMPFILE=scott.dmp
DIRECTORY=dmpdir
SCHEMAS=scott or TABLES=(T1:P1,T1:P2)
Submitted by: Administrator
USERID must be the first parameter on the command line.
<pre>Keyword Description (Default)
------------------------------------------------------------
ATTACH Attach to existing job, e.g. ATTACH [=job name
COMPRESSION Reduce size of dumpfile contents where valid
keyword values are: (METADATA_ONLY) and NONE.
DIRECTORY Directory object to be used for dumpfiles
DUMPFILE List of destination dump files (expdat.dmp).
FLASHBACK_SCN SCN used to set session snapshot back to.
FULL Export entire database (N).
HELP Display Help messages (N).
......</pre>
Submitted by: Administrator
<pre>Keyword Description (Default)
------------------------------------------------------------
ATTACH Attach to existing job, e.g. ATTACH [=job name
COMPRESSION Reduce size of dumpfile contents where valid
keyword values are: (METADATA_ONLY) and NONE.
DIRECTORY Directory object to be used for dumpfiles
DUMPFILE List of destination dump files (expdat.dmp).
FLASHBACK_SCN SCN used to set session snapshot back to.
FULL Export entire database (N).
HELP Display Help messages (N).
......</pre>
Submitted by: Administrator
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